The Transactions of the Microscopical Society of London, Том 11John Van Voorst, 1863 |
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Стр. 1
... distinct , longitudinal fibrillæ , until the surface is completely covered ( fig . 18 b ) ; and sometimes these fibrilla are at once or soon after divided into particles , which , when close together and on the same level , appear as ...
... distinct , longitudinal fibrillæ , until the surface is completely covered ( fig . 18 b ) ; and sometimes these fibrilla are at once or soon after divided into particles , which , when close together and on the same level , appear as ...
Стр. 8
... distinct envelopes . Now , although in this particular case I am not prepared to offer any opinion from direct observation , since the season had already passed for making the necessary examination before the publication of the Deiters ...
... distinct envelopes . Now , although in this particular case I am not prepared to offer any opinion from direct observation , since the season had already passed for making the necessary examination before the publication of the Deiters ...
Стр. 10
... distinct shell , the material of which in the former is usually found in a condition of disintegration , mingled with the mucous exudation of the sac in which it is contained . find , according to the philosophic investigations of Prof ...
... distinct shell , the material of which in the former is usually found in a condition of disintegration , mingled with the mucous exudation of the sac in which it is contained . find , according to the philosophic investigations of Prof ...
Стр. 12
... distinct . The former I have already described . The isolated muscles are very few in number , and embrace those of the tentacula , and the retractors of the head . In both cases they are flattened bands , of a glistening , semi ...
... distinct . The former I have already described . The isolated muscles are very few in number , and embrace those of the tentacula , and the retractors of the head . In both cases they are flattened bands , of a glistening , semi ...
Стр. 13
... distinct and perfect maxilla . This is a horny or chitinous structure , about inch wide and inch long , which is soldered to the palate ; it is of a brownish colour , and of a somewhat tri- angular outline , the base in front notched ...
... distinct and perfect maxilla . This is a horny or chitinous structure , about inch wide and inch long , which is soldered to the palate ; it is of a brownish colour , and of a somewhat tri- angular outline , the base in front notched ...
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angles animal Anthozoa appearance archegonium Auliscus Bacteriums Barbadoes deposit become blastema body border branches bundles Cambridge estate cartilage cavity cell-wall cells cellules central centre cilia circular colour connection containing contractile cornea corpuscles costæ crystals described diameter diatoms disc distinct examined exhibited existence filaments flask formed material frog frustules ganglia ganglion-cells gelatinous genus germinal matter gland glass granular granular matter granules Gregarinæ Grev Grev.-Valve inch Infusoria inner layer length light lines Lucernaria magnified margin mass membrane microscope minute Monocystis muscles muscular fibres natatory sac nerve-cells nerve-fibres nerves nervous nuclei nucleolus objects observed organs outer oval paper papillæ particles peculiar plants plate polyp portion posterior present processes Professor pseudopodia puncta radiating raphides refraction remarkable seen side Society species specimens striæ structure substance surface tannin tentacles thread-cells tion tissue transparent transverse tube umbilicus valve vesicle Vorticella whilst zoophyte
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Стр. 37 - I can entertain no doubt, after the most deliberate study and dispassionate judgment of which I am capable, that the view which most naturalists entertain, and which I formerly entertained — namely, that each species has been independently created — is erroneous. I am fully convinced that species are not immutable...
Стр. 294 - O happy living things! no tongue Their beauty might declare: A spring of love gushed from my heart, And I blessed them unaware: Sure my kind saint took pity on me, And I blessed them unaware.
Стр. 226 - Parliament supported by a majority of the total membership of that House and by a majority of not less than...
Стр. 92 - Gregarinae ; reference to their works will be found in the bibliography at the end of this paper.
Стр. 9 - Who shall assign a limit to the discoveries of future ages? Who can prescribe to science her boundaries, or restrain the active and insatiable curiosity of man within the circle of his present acquirements? We may guess with plausibility what we cannot anticipate with confidence. The day may yet be coming, when our instruments of observation shall be inconceivably more powerful. They may ascertain still more decisive points of resemblance. They may resolve the same question by the evidence...
Стр. 37 - Therefore I should infer from analogy that probably all the organic beings which have ever lived on this earth have descended from some one primordial form, into which life was first breathed.
Стр. 289 - MANUAL OF POPULAR PHYSIOLOGY: Being an Attempt to Explain the Science of Life in Untechnical Language. By Henry Lawson, MD I2mo, with 90 Illustrations.
Стр. 37 - I believe that animals have descended from at most only four or five progenitors, and plants from an equal or lesser number.
Стр. 118 - We will simply state that we have carefully examined the dust deposited in attics, also that floating in the air collected on plates of glass covered with glycerine, and have found in such dust, in addition to the debris of animal and vegetable tissues, which last were by far in the greatest abundance, the spores of cryptogams, some closely resembling those of confervoid plants, and with them, but much less frequently, what appeared to' be the eggs of some of the invertebrate animals, though we were...
Стр. 109 - The formation of Infusoria in boiled solutions of organic matter, enclosed in hermetically sealed vessels and supplied with pure air...