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idea of what has probably been lost. He also clearly explains by example the difference between pure Rommany and the broken dialect or half-English such as is commonly spoken on the roads, and such as is set forth by Mr. George Borrow in his different works, and by myself in The English Gipsies. For within the past generation Gipsydom has broken up with startling rapidity; the dark full blood has almost disappeared into the posh-an-posh, or half-breed, its old customs. are well-nigh gone, the current language is a mere jargon, and there are perhaps as many men English born who can converse in pure Hindi itself as in pure Rommany. It is but two days since I listened to the lament of a gipsy woman who is now nearly a hundred years old, but still very intelligent, over the decay of her race in England, the disappearance of Gipsy faith to one another and the increasing dishonesty of "the people" to those gorgios or gentiles who allow them to camp on their lands. "It is all gone-gone!" she said. "Our people have gone with their truth." I seemed to be listening again in America to some old Red Indian speaking of his tribe. A few years ago a friend of mine found in a remote glen of the far West a venerable old chief living alone. "Where are your friends, your family, your tribe?" enquired the American. Lifting his finger with an air of great dignity and pathos, the old man exclaimed: "One."

This Indian was the sole representative of a language, and in this respect the AngloRommany tongue resembles it by being often preserved as to many words by a single person. It is true that there are many wealthy and well-educated people, especially in America, who, while concealing a Rommany descent, have kept the language with great care. Many of them possess vocabularies. But with this knowledge they invariably inherit an intense repugnance to have it made public property, for if the Gipsies had a Decalogue its first commandment would be: "Thou shalt not teach Rommany to any Gorgio." This feeling was derived from India, where all the different kinds of Gipsies have their secret dialects, and is intensified among our highclass of crypto-Rommanis, who are even more averse to having their tongue made known than are the Gipsies of the tent and

the road.

Dr. Smart and his colleague have very honestly given as much of the grammar as they could collect, but they do not seem to suspect that anything has escaped them; in fact, if there be a fault in this otherwise excellent book, it is the manifest and complacent faith of the writers that their resources are exclusive and perfect, and that their knowledge of the language-or at least that of their teacher is all-embracing. This is sufficiently evident from their naïve boast that no one ever published such "deep Romanes as they-the truth being that no one before them ever professed or pretended to teach" deep" or grammatical Rommany at all, reminding us of the little Indian boy

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of Harvard in the olden time, who boasted that he was at the head of his class-when he was the only one in it. They have, however, done their work well, though had they

gone a little beyond their guru Bosville, they might have done better. Thus Dr. Thus Dr. Smart has given us the Anglo-Rommany conjugation of shom, "I am," as (sing.) shom, shan, see; (plural) shomas, shanas, sas, which he compares with the Turkish Gipsy isom, isan, isi, isomas, isanas, isas, not appearing to have known that there are in England Rommanis who conjugate this tense almost exactly in the Turkish-Rommany form, e.g.,

sum, san or sun, see; sumas, san or sun, sas

or sus, as I myself noted it down long ago, without a thought of Turkish-Gipsy, it being the very first conjugation ever taught me by an English Rom. Nor does Dr. Smart appear to suspect that the occasional prefix of kam, i.e. "will," to portions of verbs in England is not merely a chance combination of one verb with another, but much more probably the remains of a future tense similar to that found in the Continental dialects. He tells us truly that kairdús (he made) is a contracted form of a past participle, as hairdo + see (he made). I have, however, heard and noted down "Huv (i.e. yuv) sī kérdo"-(he did it), a form which was certainly worth preserving. Nor does he mention that abstract nouns are often formed by adding is or us. It is true that he sets os and us down as Class V. of general terminations, but does this declaring that this ending, which is really of Indian origin, is apparently merely a cant form. But even cant contains much pure Rommany which has been abandoned by the Gipsies as soon as they found it was known to Gorgios-which gradual impoverishment has been a great cause of the decay of the language. It would have been worth observing that moro (our) sometimes occurs as morni, and that tiro (thine) occasionally takes the form turo. These variations should be carefully studied, since instead of being corruptions from a Turkish Gipsy source, they are more probably pure Indo-Persian. Thus Dr. Smart gives the Turkish gipsy tam (blind) as the original of tamlo (dark), and thinks that according to the common identification of opposites, tamlo (sunny) is a corruption of kamlo (sunny), when the real origin of both is to be found in the Hindu tam (shade or gloom). He observes the existence of this combination of contrary meanings in one word, but does not explain it as he easily might by referring to the Hindu originals. Thus in Hindu kal is both yesterday and to-morrow, as it also is in Rommany with the addition of the genetival ko, e.g. kaliko.

Dr. Smart has had two great impediments in his way, either of which would effectually prevent a critical analysis of the language which he discusses, the one being the narrow limit of his vocabulary, the other his full belief that all English Gipsy is contained in and was derived from the Turkish Rommany. No old-fashioned orthodox scholar was ever apparently more convinced that Latin and Greek were derived from Hebrew, and that the latter was the original tongue in Eden, than our author is that there is no Rommany save Turkish, and that Paspati is its prophet. So far as the principal outlines of the grammar are concerned the parallel with Turkish Gipsy is not unreasonable. But when we come to the origin of Anglo-Rommany words, and the curious and often delicate sources

of their derivation, most of our aid must be derived from Hindi, Persian, and their affinities. And here Turkish Gipsy is of little aid. Thus in English Rommany we have gudlo, meaning "the brain, kernel, or marrow, a riot, a row, sweet, and cruel," while in Hindu the separate originals of these are very evidently guda, "brain, marrow, and kernel,” gudal, "a tumult," &c., and gur, "molasses or coarse sugar; gur, it is true, departs widely from gudlo, but the latter word is in other countries given as gu'lo and gurlo. The reader may possibly recall Mr. Borrow's Hungarian gulo rai, or "sweet gentleman."

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The best part of this book, especially for the general reader, is its illustrations of the language, consisting of stories, dialogues, anecdotes, and letters. I except from these the translations from Esop's fables and the Bible, because they seem stiff and forced and foreign to the habits of Gipsy thought. It is most decidedly to be hoped that a certain Gipsy's "Remarks on Mixed Mar riages,' as well as his "Practical Joke," which the writer has not dared to translate, will be omitted from future editions. Their presence is probably due to some of "the infusion of fresh blood" and "zymotic activity," which, we are assured in the introduction, "have led to combined and successful efforts to obtain further facts to fill former vacancies." The readers of the ACADEMY will probably be unanimously of opinion that this particular vacancy had better remain unfilled. The danger of following implicitly a single informant is shown by the spelling through out this book, which is such as could not have been adopted had the authors carefully sought to attain the standard which really exists. The English o (as in kosht) is but a coarse rendering of the a, which assimilates to the continental Rommany and Hindu; oo (as in poos, pootch) is more prolonged than the true sound ú, and aw as a plural is less refined and less accurate than ia or ya, while gaujo (Gentile), even though it resembles the Turkish Gipsy, gajo, is gene rally pronounced gorgio, after its probable original goraje, i.e. "master white man." The same word is effectively found in the common English Rommany goro or geero, “a person.' Apart from these trifling failings the work is admirable. It is unfortunately the lot of every pioneer to have the hardest work, encounter the hardest knocks, and get the least reward. The world is slow to appreciate the value of novelty, while the defects of the labourer are invariably apparent. I would therefore urge the more earnestly that this first attempt to preserve in its purity a very beautiful and musical dialect peculiar to England should not be judged by its few faults, but by its many merits. It has been very honestly done, with great labour-that labour which always, in philology, attends the derivation of knowledge from original sources.

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CHARLES G. LELAND.

KANT AND COMTE.

Kant und die Positive Philosophie. Von Robert Zimmermann. (Wien, 1874.) THE question whether Comte was acquainted with Kant's philosophy, or in any way dependent on the results established by the

author of the Critik der reinen Vernunft, has been discussed very fully and very ably by Dr. Zimmermann in the Sitzungsberichte der Phil.-hist. Classe der Kais. Akademie der Wissenschaften, April, 1874. Examining the statements of Littré, he shows that Comte, when he published in 1822 his first book, Des Travaux nécessaires pour réorganiser la Société, hardly knew even the name of Kant. Yet Comte himself maintains that at that time his own philosophy was in all essentials complete. It was not till the end of 1824, when he had republished his early work under the title of Système de Politique Positive, that his friend, Gustav von Eichthal, the distinguished scholar and philosopher, still full of activity at Paris, drew his attention to one of Kant's smaller essays, Idee von einer Allgemeinen Geschichte in weltbürgerlicher Absicht, first published in 1784 (ed. Hartenstein, vol. iv. pp. 291-309). This is an essay of about eighteen pages, which has attracted but little attention in Germany, being, in fact, no more than a sketch of a possible philosophy of history, that should show how far, at different periods in the world's history, humanity had approached or receded from its highest goal, the realisation of the most perfect form of society and government. Comte, judging from a translation which Eichthal had sent him, calls that essay prodigieux pour l'époque; if he had known it six or seven years before, he it would have saved him much work; nay, after having seen it, he claims no more for himself que d'avoir systémisé et arrêté la conception ébauchée par Kant.

with human beings who act without any plan, it is possible, nevertheless, to treat their history as realising a definite plan of nature. We shall only try to indicate an outline of such a history, trusting to nature to produce the man capable of

to bar the onward course of all philosophy;
it was not by a mere relapse into the naïve
dogmatism of experience. That dogmatism
is best represented by Hobbes, who in de-
nouncing the possibility of all theological working it out, as she produced a Kepler to arrange

and metaphysical knowledge, has once for all
performed the task which is represented as
the chief task of positive philosophy, and
has shown better than anyone else that our
principal conceptions pass through a theolo-
gical or fictitious and a metaphysical or
abstract state before they reach a positive
or scientific character. The problem which
the true historian has still to solve is, whether
these earlier stages of knowledge were simply
the result of temporary illusions, or whether
they can be explained as necessary stages
in the development of the human mind. The
problem which the true philosopher cannot
ignore is, whether by accepting the facts of
our physical experience and trying by induc-
tion to discover the invariable laws by which
they are governed, modern reasoners
not unconsciously relapsing into that very
metaphysical stage which we thought we
had left behind, admitting such conceptions
as causality, invariability and law, without
ever attempting to show that there is or
that there can be any warrant for them in
our actual experience. Kant, the German
metaphysician, is in that respect far less
metaphysical than Comte, the French posi-
tivist.
says,

Though this recognition of Kant's merits reflects great credit on the French philosopher, it shows at the same time that Kant's real position in the onward course of philosophic thought was a complete mystery to Comte. Of Kant as the reformer of the old, and the founder of the new philosophy of the world, Comte seems never to have heard. Comte is still positive, where Kant is critical. Comte has no answer whatever to Hume, to Berkeley, to Locke. He is a Baconian, born out of due time. Since Bacon's time Locke had proved that much of what we consider as simply given in experience is subjective; that all so-called secondary qualities, colour, sound, etc., are states of the subject, and cannot possibly belong to the object. Berkeley had extended Locke's reasoning to the primary qualities, and denied the objectivity, or, as it was called, the real existence, of all external things. Those who simply decline to accept as senseless Berkeley's solution of the difficulties regarding our knowledge of things, viz., that it is due to the working of God within the human mind, must not imagine that the difficulties themselves have thus been removed. They cannot be removed, except by accepting Kant's solution. Philosophers may again sink down to the level of common sense and call that positive philosophy, only they should remember that in doing so they purposely ignore all philosophic work since Bacon. It may be that Kant in the end arrived at the same conclusions, but if he did so, it was by first accepting the challenge of Locke, Berkeley, and Hume, and by blasting and patiently removing the gigantic blocks by which those philosophers had tried

are

Kant fully admits the subjective character of such conceptions as causality, invariability, and law; only while Hume, awed by the idolon of so-called objective truth, feels inclined to surrender these conceptions, as purely subjective, and therefore invalid, Kant, taking his stand on the rights of the subject as equal at least to those of the object, established their inevitability, and therefore their legitimacy, at all events, in human knowledge. Kant's philosophy has been called transcendental realism, as opposed to the crude realism of Hobbes; and if I understand rightly what is now meant by transfigured realism, I should venture to say that it was in reality but another version of Kant's philosophy.

Kant's essay on the philosophy of history,
of which Comte spoke so highly, contains
several ideas which may be interesting even
at the present day to the students of Buckle
and other writers on Sociology. I quote a
few passages :—

of the will, the actions of men, in which that
"Whatever idea we may form of the freedom
freedom manifests itself, are, like all other events
in nature, subject to general laws. History, which
has to recount those manifestations, must not give
up the hope that, however deeply hidden the
causes of those manifestations may be, it will be
possible, by taking the largest possible view of the
play of freedom of the human will, to discover in
it something like a regular movement. Whatever
strikes us as complicated and irregular in indivi-
duals may be recognised after all, if we look at
the whole race, as a regularly progressive, though
slow, development of original dispositions. Mar-
riages, for instance, and the births and deaths
resulting from them, seem at first sight to be in-
fluenced by the free choice of man only, and sub-
ject to no rule according to which their number
might be calculated and predicted. Nevertheless,
the annual statistics published in great countries
prove that they are regulated by certain natural
laws, quite as much as the inconstant states of
the atmosphere. The question is whether,

....

the excentric courses of the planets under fixed
laws, and a Newton to explain these laws as the
result of one general natural cause."
And again :-

"The means by which Nature carries out the development of all natural dispositions must be sought for in their antagonism in society, which antagonism reduces them in the end to something like lawful order. I understand by antagonism the unsocial sociality of men, i.e.,

their disposition to enter into society, and, at the

same time, their determined opposition to it, which constantly threatens to dissolve society."

Most striking are Kant's remarks on war national debts, general armaments, and all and its consequences, such as oppressive the rest, which, as he hopes, will, in the end, when they become intolerable, lead by necessity to an international or amphiktyonic

government.

This alone, he thinks, will individual state, and secure the greatest deguarantee the necessary freedom of each velopment of all the faculties of every citizen.

MAX MÜLLER.

SCIENCE NOTES.

the French Expedition to Noumea (New CaleTransit of Venus.-A detailed account from donia) is now given in the Comptes Rendus, from which it appears that the success of the party was very limited as regards the eye observations, ingress only being observed, and even that through cloud. From the situation of New Caledonia, nearly at the centre of the Earth's disc as seen from the sun, this observation is of comparatively little value, egress being the important phase for this station, which is, however, by no means a good one; though doubtless the fact of its being a French colony was an important consideration with the French government. No observation, however, will be thrown away, if made by careful observers, however far their station may be from

what

are, theoretically, the best points of view, and the observations made at Noumea, under peculiar atmospheric conditions, will certainly throw much With three instruments, the limbs were sharply light on the phenomena seen at other places. defined at internal contact, but with the other two alternate dark and bright portions of rings like diffraction bands were seen between Venus and the Sun; the mean of the times of appearance and disappearance of these agreed fairly well with those recorded by the other two observers for geometrical contact, a result which is in accordance with what was remarked by the observers at Sydney. The French party were joined by the Rev. R. Abbay (who was one of the observers of the eclipses of 1870 and 1871, and was on his way from Ceylon to Australia), and had thus five good observers besides their photographer. For ordinary assistants they had convicts, who worked so well that, though the expedition left France without huts or even stands for some of the instruments, everything was ready in less than a month after landing. Notwithstanding the cloudy state of the sky the photography was most successful, 240 daguerreotypes being obtained, of which at least 100 are good. Those near the egress will be especially valuable for comparison with the collodion photographs taken by Captain Abney at Thebes. It is amusing to notice that the three expeditions to Noumea, to Peking, and to St. Paul's Island attached some importance to the circumstance of the new moon falling on the day of the transit, but in Noumea they were led to believe that it always rained about that time, while at St. Paul's

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M. Mouchez now gives his results for the latitude and longitude of St. Paul's Island. The former was well determined, notwithstanding the unfavourable weather during the three months of his stay, but for the latter, which is by far the more important element, only nine meridian observations of the moon were obtained, but the mean discordance is only 37, so that if proper care be taken to find M. Mouchez's personality, the probable error of the result will be less than 1s. M. Mouchez was unable to observe a single one of the thirty-two occultations which took place during his stay, but he supplemented his determination of longitude by four chronometer runs between St. Paul and Réunion, giving a result which differs by 6 from that found by the moon-culminations, the probable error being 45. Considering that the longitude of Réunion is not finally determined, and that the observations of the moon are only provisionally reduced, this discordance is not excessively large.

Solar Prominences and Spots.-P. Secchi gives in the Comptes Rendus the result of a preliminary reduction of his observations of prominences and sun-spots from April 1871. Since that date there has been a very marked diminution both in the number of groups of sun-spots, and in their area, a result which was of course to have been expected from the eleven year period, the maximum having occurred about 1871. But P. Secchi further finds that the same diminution has been shown in the number of prominences, the daily average being about fifteen in 1871, while now it is only six or seven, and this decrease is still more marked in the case of the areas of prominences, which are now only about one-third of what they were in 1871. In the same period the number of groups of sun-spots in each rotation has decreased from about twenty-five to eight,

mentary is divided into two parts: (1) “Ahbath
Ziyyon," containing short explanations of words and
sentences, with some emendations of the text; (2)
"Tosafoth," or additions in which are to be found
casuistic expositions referring to other Talmudic
texts and later casuists such as Rashi, Maimonides,
and others. Dr. Frankel has also added on every
page the index of passages in the Talmud of
Jerusalem which are to be found in the Talmud
of Babylon and the Tosiftha, as well as the
proper transcriptions of the many Greek and
Latin words which occur in the Talmud of Jeru
salem. In the preface he gives a complete list of
the MSS. and editions of this Talmud, as well as
of the commentaries written on it. The work
requires no praise from critics; the author is well
known as one of the greatest Talmudic scholars
living, who has devoted a lifetime to the elucida-
tion of the history and criticism of this vast en-
cyclopaedia, and has embodied the result of his
labours in his introduction to the Mishnah and
the Talmud of Jerusalem (see ACADEMY, 1870, p.
191). It is, however, to be much regretted that the
learned writer was not allowed to consult the MS.
of a part of this Talmud containing "Zeraim"
and "Sheqalim," with a commentary by R. Sa-
lamo Sirilio, the first part of which has just been
edited by Dr. Lehmann, Rabbi of the orthodox Jew-
ish congregation at Mayence. It is also a matter of
astonishment that no use has been made in this
edition of the commentary on Berakhoth, by R.
Eliezer Azkari, contained in the MS. Mich. 199,
belonging to the Bodleian Library, in which the
text appended to the commentary has
many
and correct readings. Thus, for instance, fol. 3,
line 5 from the end, Dr. Frankel corrects for

sion of the comet's path since 1855, taking account
of all perturbations from the planets in a more
complete manner than Encke did, and while he
finds a well-marked acceleration, not differing
much from Encke's value, from 1855 to 1865, this
does not appear to have continued after, and in
fact not only can the three returns of this comet in
1865, 1868, and 1871 be perfectly well represented
by the same set of elements (allowing for pertur-
bations, but omitting the acceleration), but the
introduction of the acceleration would cause in-
tolerable discordances between theory and obser-
vation, from which the author concludes that
something must have happened in 1868 to suspend
this effect, and that in 1871 matters had not quite
returned to their normal state, since the observa-
tions of 1875 show an acceleration of only two-
thirds the usual amount. Dr. von Asten is further
inclined to think that the acceleration is produced
in the immediate neighbourhood of the perihelion,
which would be the case if there were a resisting
medium of which the density varied as the inverse
square of the distance from the sun. This can,
however, only be decided by a rigorous comparison
of the two curves described before and after peri-
helion, in those appearances of the comet which
have been best observed; but meanwhile the
author is forced to the conclusion that the motions
of Encke's comet cannot be satisfied by any
hypothesis of a resisting medium. Dr. von Asten,
however, proposes to discuss fully the observations
preceding 1848, and to investigate how far cer-
tain perturbations produced by Venus and the
Earth, which Encke had neglected in some cases
as insensible, will account for the small though
appreciable discordance between the value of the
acceleration deduced in this paper from the ob-, while the MS. has the correct reading 18;
servations of 1855-1865 and Encke's value.
paper concludes with corrections founded on the
recent observations of this year to the author's
ephemeris published before the apparition of the
comet, and consequently calculated without any
knowledge of what the acceleration would turn
out to be for this return to perihelion.

The

and the mean area has diminished to about one-
fifth. These results are, however, only approxi- The Sun's Diameter.-In the Astronomische
mations, no correction for foreshortening near the Nachrichten Dr. Fuhg has discussed the measures
limb having been applied. Considering that many of the Sun's diameter made at Greenwich from
of the prominences are mere outbursts of hydro-1836 to 1870, the result being that there is no
gen and have no relation to the spots, P. appreciable compression, a conclusion arrived at
Secchi considers the agreement he has found
several years ago by the present Astronomer
sufficiently satisfactory. Further, the prominences Royal from a discussion of the observations made
are now very rare near the poles, being confined
between 1836 and 1860; in fact the measures
to the sun-spot zones north and south of the
made in the last ten years (about 1000 in number)
equator. There is, however, a curious circum-
tend to reduce the very small accidental difference
stance which he does not point out, viz., that a between the values for the horizontal and vertical
very similar diminution is observable in the
diameters found in the earlier paper. At the same
number of days of observation, a result which we
time, the results obtained by different observers show
must presumably attribute to chance. P. Secchi
comparatively large discordances, due to their
further remarks on the discordance between
mode of observing, a fact long known to as-
his results obtained in 1852, showing a difference
tronomers. Dr. Fuhg, however, does not find
of temperature between the equator and poles of
that cloud has any marked systematic influence on
the sun, and those by Professor Langley recently,
the measures, though Wagner, from the Pulkowa
and infers that there has been a change in the
observations, and Newcomb and Holden, from
sun in this respect consequent on the decrease of
those made at Greenwich, had inferred such a
solar activity, which is now near its minimum, if connexion.
we accept the evidence of sun-spots. He also
objects to Professor Langley's method of moving
his thermopile to different parts of the image,
instead of moving the telescope so as to bring the
points of the image in succession on the thermo-
pile and thus to avoid differences of inclination to
the axis of the lenses.

The Form of Venus.-During the late transit Colonel Tennant made a number of measures of the equatorial and polar diameters of Venus with an Airy double-image micrometer, and has deduced a compression of about 1-250th. Although there is naturally much uncertainty in this result, it was obtained under very favourable circumstances, the apparent diameter of Venus being nearly eight times its mean value, and it would seem to support the hypothesis that the time of rotation is nearly the same as that of the earth, since the compression, according to these measures, is also nearly the same.

various

fol. 4, line 5 the MS. reads 'D1'77 1y 57'73; and the word (ibid. line 5), which offers so many difficulties, is to be omitted according to the Bodleian MS. We do not understand why Dr. Frankel suggests, on fol. 3, line 9, 737 for 77. This root is used in the Samaritan dialect, which is so nearly related to that of the Talmud of Jerusalem, in the signification of fearing (see Castellus, a. v. TY), and is mostly followed by the particle , as in the Talmud. There is no necessity (ibid.) whatever to object to the word "pp, which means thinly populated, and therefore inhabited by wild beasts (cf. Exodus xxiii. 29; Deuteronomy vii. 22).

A. N.

MEETINGS OF SOCIETIES.
MUSICAL ASSOCIATION (Monday, June 7).
MR. R. H. M. BOSANQUET in the Chair. Mr. A.
J. Ellis, F.R.S., read a paper on "Illustrations of
Just and Tempered Intonation."

By intonation we understand the selection of a set of musical sounds on fixed principles. Just intonation is where we select such sounds only as form perfect consonances. Tempered intonation is where the selected sounds are modified in some way, so that they are rendered more manageable for practical applications. Our knowledge of the physical nature of consonances originates with Helmholtz, whose work will shortly be accessible in English. The aim of the paper was to show a few of the experiments on which the fundamental laws rest, and to contrast the effects of different

intonations.

Encke's Comet.-An important paper has been First law, of Beating Distances. No two contributed by Dr. von Asten, of Pulkowa, to the Astronomische Nachrichten, on the orbit of Encke's simple tones produce beats in the ear unless they lie within a certain interval, which varies from comet, and the question of the acceleration of its mean motion. From observations between 1818 nearly a major third in the lower to about a tone in the higher parts of the scale. Simple tones and 1848 Encke found that the orbit of this comet were produced by holding tuning-forks to reso was getting smaller and smaller at each successive nators; and, if the forks were within a certain return, which showed itself by a decrease in the interval depending on the resonator, beats were period (1,200 days) of about one-ninth of a day THE first part of the late Dr. Frankel's long-produced, but not if the interval was greater. in every revolution. This result he attributed to expected Hebrew Commentary on the Talmud of the action of a resisting medium, but Bessel con- Jerusalem has appeared at Vienna, comprising the sidered it connected with the emission of jets. treatises of Berakhoth and Peah. The text is a Dr. von Asten has undertaken a complete discus-reprint of the Venice edition of 1003. The Com

Second law, of Difference Tones. When two tones sound together a resultant tone is heard, whose vibrations number is the difference of those of the primaries. The observation that, if the

two tones are within beating distance the beats are heard also as a separate effect, disposes of the old theory of Young.

Third law, of Composition. Musical notes are heard in the ear as if they consisted of all the tones whose vibration numbers are as successive integers. It was shown that the note of a tuning-fork was composite, by presenting it successively to resonators tuned to the fundamental and octave, both of which were sounded by it. Any simple tones which belong to the harmonic series may be added to a note, and will produce only a change in the quality of tone without disturbance or beats. When composite notes are added instead, there is a difference which is inappreciable so long as the tuning is perfect. The effect of just chords thus constructed was shown on a harmonium; the full rich tone formed a great contrast to the ordinary effect of these instruments.

If the notes thus introduced do not belong to the harmonic series, there will be pairs of tones here and there within beating distance, and beats will arise. These beats of imperfect concords were illustrated by examples. It was also shown that, by using notes deprived of their fifth partials, a major third could be formed quite out of tune, which yet gave no beats.

The principal temperaments were then enumerated, viz., the equal temperament, the mean tone, the Greek, and the Arabic; this last is derived from the Greek by substituting Db for C# in the chord of A. Examples were played on concertinas tuned according to these temperaments, and the contrasts came out very markedly. The influence of the question on music was alluded to, and it was remarked that few musicians have ever heard a chord in perfect tune.

A member of the Association then remarked that De Morgan had formulated the second law on the supposition that the vibration number of the resultant tone was the greatest common measure, and not the difference of those of the primaries. The chairman pointed out that in this case there could be no resultant tone if the primaries were incommensurable, but as a matter of fact there is. Mr. Ellis observed that De Morgan's paper was written before Helmholtz's researches were known, and that the whole subject had since that time received thorough investigation.

ANTHROPOLOGICAL INSTITUTE (Tuesday, June 8). COLONEL A. LANE Fox, President, in the Chair. -Captain Richard F. Burton, H.M.'s Consul at Trieste, read two papers on Ancient Remains in Dalmatia, viz.: The Long Wall of Salona" and "The Ruined Cities of Pharia and Gelsa di Lesina." Salona was the Roman metropolis of Dalmatia, of which southernmost province of Austria Spalato is at present the natural, and Zara the artificial and political capital. The "long wall" was of doubtful and debated origin, and references to numerous ancient and a few modern writers on it were cited to show the obscurity in which it still remains. The author gave an account of his explorations with detailed measurements of the ancient structure, called by Cyclopean," and especially pointed out the great variety of stone-dressing it presented, which would afford valuable evidence in determining the style and perhaps the date of the work. His conviction that the long wall of Salona was Greek and pre-Roman rested very much upon the fact that similar constructions exist in the neighbourhood. In the island of Lesina, the two ruins visited and described by Captain Burton presented a remarkable resemblance, amounting almost to identity, to the long wall of Salona, and suggested that they were all the work of a single people, and that people not the barbarous Illyrians but the comparatively civilised Greeks. Only two flint implements had been found, and those were discovered at Salona, near Spalato. The exploration of the Dalmatian islands was attended with much

some

66

difficulty: the scarcity of water was an evil to be met, and a Slavic guide was necessary unless the traveller could himself speak Slavic, for the inhabitants all belonged to that race. The islands never having been previously explored (as far as the author was aware) by Englishmen, there was a large field of research for the antiquarian as well as the more general anthropologist. It was announced by the President that at the next and last meeting of the session, original papers would be communicated by Mr. Herbert Spencer, "The Comparative Psychology of Man; by Mr. J. Forrest, on "The Central Tribes of Australia;" and by Captain J. A. Lawson, on "The Papuans of New Guinea."

on

ROYAL SOCIETY (Thursday, June 10).

MR. W. SPOTTISWOODE, M.A., Treasurer R.S., gave an account of his "Experiments on Stratification in Electrical Discharges through Rarefied Gases," the substance of which was as follows:When an induction-coil with an ordinary contactbreaker is employed to produce stratified discharges in tubes containing rarefied gases, the striae are often unsteady in position and irregular in their distribution. The author's experiments led him to the conclusion that these irregularities are due chiefly to instrumental causes.

The induction-coil used was an "18-inch" by Apps, worked usually by ten or twenty small Leclanché cells. A new feature in this coil was its contact-breaker, which consisted of a steel rod as vibrator, having a small independent electrothe influence of the battery current and electromagnet for maintaining its action. When under magnet it vibrated from 700 to 2,500 times per second. The amplitudes of vibration were small, not exceeding 0·01 of an inch, and to this fact, coupled with the extreme rapidity and consequent decision of make and break, was mainly attributed the steadiness of the results.

a

With this contact-breaker (called by the author that in a large number of tubes (especially hydro"high break") in action, it was observed carbons), the striae, instead of being sharp and flaky in form and irregular in

GEOLOGICAL SOCIETY (Wednesday, June 9). J. EVANS, Esq., V.P.R.S., President, in the Chair. Seven technical papers on palaeontological subjects were read at this meeting. Professor Owen, who was absent through indisposition, contributed a paper" On Prorastomus sirenoides," in which he gave his views on the evolution of the Sirenia. Mr. Miall read a paper "On the Structure of the skull of Rhizodus." This is a Carboniferous genus Megalichthys. Mr. Hulke described a bone which of ganoid fish, standing near to Holoptychius and was originally regarded by Mantell as the scapula of Iguanodon, and afterwards taken by the author for an ilium; but a recent examination of Mr. Fox's collection in the Isle of Wight had shown that it is probably a pubic bone. We are, there-tribution, were fore, now acquainted with all the pelvic elements in Iguanodon, and Mr. Hulke pointed out the Mr. relation of this pelvis to that of the ostrich. Walter Keeping contributed some "Notes on the Palaeozoic Echini," in which he suggested the following classification. Dividing the order Echinoidea into two groups, the Echinidea and the Perischoechinidea, he subdivided the former into the Stereodermata and the Echinothuridea, while the Stereodermata in turn was divided into the Endocyclica and the Exocyclica. On the other hand the Perischoechinidea was separated into the Tessellata and the Lepidermata. The EchinoImbricata. Professor Duncan described some fossil thuridea and the Lepidermata form the group Alcyonaria from tertiary deposits in Australia and in New Zealand, and some fossil corals from tertiary beds in Tasmania.

PSYCHOLOGICAL SOCIETY OF GREAT BRITAIN (Wednesday, June 9).

MR. SERJEANT Cox, President, in the Chair. Sir J. Heron Maxwell, Bart., and Mr. Epps were elected members. Mr. Sprague, of New York, was elected an honorary corresponding member. Several communications of psychological facts and phenomena were read. Mr. Serjeant Cox read a paper on "The Duality of the Mind." He said that the fact of the duplicity of the brain, first asserted by Galt, and afterwards by Dr. A. Wigan and Sir Henry Holland, was now confirmed by Brown-Séquard, all of whom deduced from this brain-structure that the mental faculties are duplex, that we have, in fact, two minds. This explained a multitude of mental phenomena otherwise inexplicable, especially Dr. Carpenter's "Unconscious Cerebration," and if true, was of incalculable importance to psychology. Many instances were narrated of total destruction of one hemisphere of the brain attended by only partial loss of mental power. An animated discussion followed, by Sir J. H. Maxwell, Rev. W. Moses, Major Owen, Mr. G. Harris, Mr. Coffin, and others. In closing the session, the President congratulated the Society on the great success it had found, and the interest taken in its proceedings both at home and abroad, and especially in its communications of psychological facts. The A

second session would commence in October. vote of thanks to the President was proposed by Sir J. H. Maxwell.

dis

soft and rounded in out

line, equidistant in their intervals, and steady in proportion to the regularity of the contactbreaker. To any sudden alteration in the action of the break (generally accompanied by an alteration in sound) there always corresponds an alteration in the striae. These discharges are those produced by breaking contact, but often the current produced by making contact is strong enough to produce a visible discharge. This happens with the ordinary as with the high break; but in the latter case the double current presents the remarkable peculiarity that the striae of one current are so arranged as to fit exactly into the intervals of the other, and further, that any disturbance affecting the column of striae due to one current affects similarly, with reference to absolute space, that due to the other.

The column, moreover, is frequently susceptible of a general motion or "flow," either forwards (from positive pole to negative) or backwards. This flow may be controlled both in velocity and direction by resistance introduced into the circuit, or by placing the tube in a magnetic field. The resistance may be introduced either into the primary or secondary circuit, and in either case the law appears to be established that, the striae being previously fixed, an increase of resistance produces a forward flow, a decrease of resistance a backward flow. A variation of three or four ohms (in the primary) is generally sufficient to produce this effect. When the striae are flowing they preserve their mutual distances and do not undergo increase or decrease in their number. Usually one or two remain permanently attached to the positive electrode, and as the moving column advances or recedes, the foremost stria diminishes in brilliancy, until after travelling over a distance less than the interval between two striae it is lost in darkness. The reverse takes place at the rear of the column. The rate of flow may vary considerably. In most cases, the true character of the discharge and the direction of the flow may be distinguished with the aid of a revolving mirror.

These phenomena may be produced with the Holtz machine, provided it be furnished with the usual Leyden jars, and a high resistance (usually a piece of wetted string) be interposed in the circuit. An increase of speed of the machine is equivalent to a diminution of resistance and produces a backward flow: a diminution of speed is equivalent to an augmentation of resistance and produces a forward flow. Hence the phenomena

of flow produced by the machine agree with those produced by the coil.

Ordinarily, if air resistance be included in the circuit, all trace of stratification disappears and the discharge is continuous. If, however, the interval of air be very small, the two kinds of discharge may be seen co-existing; a narrow column of the continuous discharge extends along the tube, and on it the striae appear to be strung.

SOCIETY OF ANTIQUARIES (Thursday, June 10). MR. WOOD gave an account of the excavations which were conducted by him on the site of the Temple of Artemis at Ephesus. When he unwillingly abandoned the work in April, 1874, he had examined the site of the temple and of the platform on which it stood, except a portion at the east end, in which he expected to find remains of great importance. Some of the sculptures which he discovered have been for some time on view in the Elgin Room at the British Museum; but the larger portion are concealed from public inspection in the sheds which disfigure the portico, and in the basement. Among these stones there are between 400 and 500 inscriptions. Mr. Wood is very anxious to return and continue his investigations. Mr. Freshfield exhibited some stone implements found by him near the Gygean lake in Asia Minor, with views and photographs of the neighbourhood.

ROYAL ASTRONOMICAL SOCIETY (Friday, June 11). PROFESSOR ADAMS, President, in the Chair. A paper by Mr. Knobel was read, giving some results of measures of magnitudes of stars with his astrometer, described in a previous paper, the principle of the instrument being to reduce the aperture of the telescope by means of a variable triangular diaphragm till the star disappeared. Mr. Knobel pointed out several discordances between his results and the magnitudes given by Argelander in his Uranometria, though those of the Bonn Durchmusterung agreed better. Mr. Marth called attention to approaching phenomena of the satellites of Saturn, the most important of which, however (those of Titan), would only be visible in Australia and in the United States, the period of revolution being very nearly sixteen sidereal days, so that occultations and transits of this satellite would take place at the same sidereal hour for many successive periods, and at these times Saturn would be below our horizon. Mr. Marth expressed a hope that the great Melbourne reflector might be used for these observations, and Mr. Russell promised that he would employ the 11-inch refractor of the Sydney Observatory for this purpose. Captain Abney, R.E., gave a description of his Diaphanometer, an instrument which he had devised primarily for measuring the opacity of photographic films after exposure to light under different conditions, and which he had since applied to other questions in photometry. In this instrument the collodion film was compared with a graduated wedge of smoke-coloured glass. Captain Abney also exhibited an ingenious form of spectroscope in which the brightness of any part of the spectrum of a star could be compared with that of the spectrum of a standard source of light, the two spectra being brought one above the other in the same field by means of reflection prisms. Some other short papers of a purely technical character followed, after which a note by Mr. Proctor on "Photography in the Transit of Venus" was read, to which Mr. Russell, Mr. De La Rue, and Mr. Christie replied, and Mr. Neison mentioned, as bearing on the question of the atmosphere of Venus (which Mr. Proctor had incidentally referred to), that Professor Lymans had observed Venus as a bright ring five hours before the commencement of the late transit.

NEW SHAKSPERE SOCIETY. (Friday, June 11). F. J. FURNIVALL, Esq., Director, in the Chair. A paper was read by Mr. Henry B. Wheatley, "On the Originals of Shakspere's Plots," in which an attempt was made to arrange the materials collected by a long succession of laborious commentators so as to cause them to throw light upon the poet's mode of work. The paper was divided into three parts. The first part consisted of an account of the various books Shakspere used, and was, in fact, a catalogue of his supposed library, which must have consisted of histories, poems, plays, novels, translations cf classics, travels, &c., all of which were placed under contribution in various degrees, sometimes a bright passage only being transferred from a dull book. In the second part the plays dealt with were divided into classes, and the points of likeness or dissimilarity were discussed. It was stated that the plots of only five of the plays are still untraced, but that those of some others are not certain. The third part was a résumé of what had gone before, more particularly in regard to the dramatis personae; and it was shown that Shakspere had some authority, however slight, for his serious characters, but that nearly all his comic ones were entirely the emanation of his own brain. The prototype of Isabella in Measure for Measure is Cassandra in Whetstone's Promos and Cassandra; the germ of Portia in the Merchant of Venice is to be found in the Widow of Belmont in the Italian novel Il Pecorone, and Juliet was a character before Shakspere made her what she is; but one has yet discovered any hint of Falstaff, Mercutio, Gratiano, Benedick, or the host of other brilliant beings that people Shakspere's comedies. In the discussion, Mr. Furnivall, Mr. R. Simpson, Mr. Hales, Miss L. Toulmin Smith, and Mr. ÊÈ. H. Pickersgill took part.

FINE ART.

THE ROYAL ACADEMY EXHIBITION.

(Fifth Notice.)

no

Portraits.-This section of the exhibition in

cludes a few of the best pictures of the year. We will take first the portraits sent by Messrs. Watts, Millais, Ouless, Orchardson, Sandys, and Cameron.

The officers of the Royal Artillery may congratulate themselves upon having obtained from Mr. Watts the portrait of Sir Edward Sabine; one of the most interesting and dignified treatments of an aged thoughtful face that we have seen this long while. F. W. Walker, M.A., Head Master of the Manchester Grammar-School, is a steady intelligent face, rather blunt of feature, well painted; a good specimen of the artist's quiet about ten years, holding a fiddle. Her face is full manner. The finest of all is Blanche, a girl of of meaning, and of the budding of beauty; her eyes are greyish-brown, her cheeks pink-tinged but pallid in the half-light of the room; her dress is grey, harmonising with all the other elements in the scheme of colour. The great example of Mr. Millais is Miss Eveleen Tennant, youngest daughter of the late Charles Tennant, Esq., of Cadoxton Lodge, Neath; which is, indeed, so striking and salient a masterpiece as no one is likely to supersede in a hurry. The painter has wrought throughout for strength and brilliancy; as shown at once in the thin silk dress of intense red, with azure beads round the neck. Miss Tennant holds a basket of ferns, and stands between the banks of a close lane, with a thick summer growth of leafage. The face, under its black hat and ostrichfeather, is splendidly handsome, dark, brightcomplexioned, radiant with the perfect selfconfidence of a girlhood that has known little of sorrow, and less of constraint. The frank stare in the full brown eyes is perhaps rather in excess, and, indeed, Mr. Millais has on other occasions fallen into the mistake of making his blooming young beauties a trifle brazen: still, it gives the

[JUNE 19, 1875.

character for which this picture challenges and will always enjoy a celebrity of its own. The greens of the vegetation are very dark, without any direct sunlight; the handling is most rapid and full of assurance. We cannot say that the other two portraits - those of a childish and of an almost infantine daughter of Mr. Evans Lees, of Woodfield, Oldham-stand on the same level of work with this of Miss Eveleen Tennant; they are, in fact, rather perfunctory performances, redeemed from commonplace by the pre-eminent genius of the painter, but not in themselves highly admirable. The younger child is the more pleasing and the better painted of the two. Mr. Ouless works much in the style of Mr. Millais; with less that is arbitrary and self-assertive, no doubt, less original power, and skill only a little inferior. His two best portraits are perhaps The Mayor of Newcastle on Tyne and J. W. Walrond, Esq.; the latter is a very "speaking" countenance. Charles Darwin, Esq., F.R.S., may remind the visitor to some extent of the profound and ponderous, albeit not beautifully moulded, head of another great natural philosopher, Galileo; this portrait has a certain tendency towards the style of Mr. Watts, in combination with that of Mr. Millais. Two portraits by Mr. Orchardson are highly noticeable; done with conspicuous ease, and an effect which might almost as well be termed slight as strong, though the strength tells out the more, as it should do. The sitters, a lady and a gentleman, are unnamed in the catalogue: the latter is represented with adjuncts proper to a virtuoso, and no doubt whoever knows the original is no whit less certain as to the portrait. The sitter to Mr. Sandys has been Mrs. Brand; the painter has produced a singularly elaborate work, in which a good deal of floral and other accessory is introduced. There is much special character in the handsome aged face; so much that one is tempted to describe it in detail, but this would not exactly be art-criticism. The gauzy black fan expanded over the crimped white habit-shirt is one of the numerous difficulties which Mr. Sandys has courted in order that he might conquer them. The other painter whom we have mentioned along with these distinguished men, Mr. H. Cameron, bears a name un

familiar to us.

He is the author of a head-andshoulders portrait of Mrs. Strahan (149), also a lady of advanced age; the pale face with its relaxed fleshiness, the black dress, and the white lace in the cap, are treated with most uncommon ability. Nothing is strained, nothing specially pictorial in itself; but we recognise here one more portrait-painter worthy to reapply, in all reasonable self-confidence, the lessons of which Mr. Millais is prime exponent.

Mr. Archer exhibits several portraits, not one of them undeserving of careful attention. We can only specify two: that of A Lady with a Moorish Shawl, a noticeable though not an absolutely attractive piece of colour-arrangement, with a whitish brightness in general, amid which the very brilliant variegation of the shawl forms a peculiar change of note; and Springtide, Little Miss Primrose, a nice childlike and somewhat humorous-looking little girl of five or six, habited in blue and with a lace scarf, recalling the costume of the Stuart time, holding a basket of daffodils, and accompanied by a large black and tan dog. This is a very carefully completed work, contrasting, and in some respects to its own decided advantage, with the more hurried masterliness of Mr. Millais's child-portraiture. Of Mr. Lehmann's Robert Browning we should have to speak in detail, had not this been already reviewed in our columns. The Early Post, by Mr. Sant, is a study in white, not unreminiscent doubtless of a picture exhibited a few years ago by Mr. Millais. It represents three girls in white, not wholly unvaried in tint, with a white tablecloth and white cat. The dark hair of the three sitters furnishes a contrast; and some of the accessories supply pink, grey, black, and gilt.

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