Nature, Том 5Sir Norman Lockyer Macmillan Journals Limited, 1872 |
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Стр. 12
... organs . The former , as in the case of the homoplasy between a Cactus and a Euphorbia or Stapelia , or between a Kleinia and a Cotyledon , are no doubt due to the operation of similar external conditions of climate and soil . But in ...
... organs . The former , as in the case of the homoplasy between a Cactus and a Euphorbia or Stapelia , or between a Kleinia and a Cotyledon , are no doubt due to the operation of similar external conditions of climate and soil . But in ...
Стр. 28
... organs often precludes the insect from feeding for a time , as , for instance , is the case in the silkworm . When ... organ like that of a bug or a gnat , because the inter- mediate stages would necessarily be injurious . Neither , on ...
... organs often precludes the insect from feeding for a time , as , for instance , is the case in the silkworm . When ... organ like that of a bug or a gnat , because the inter- mediate stages would necessarily be injurious . Neither , on ...
Стр. 39
... organ , there being in no case a distinct mouth as assumed by Prof. Clark . In the dis- cussion that ensued , Mr. Kent assented to the President's sug- gestion , that the Flagellata , in the possession of one or more lash - like ...
... organ , there being in no case a distinct mouth as assumed by Prof. Clark . In the dis- cussion that ensued , Mr. Kent assented to the President's sug- gestion , that the Flagellata , in the possession of one or more lash - like ...
Стр. 40
... organs and the mode in which their products are brought together . BOOKS RECEIVED ENGLISH - The Letters of J. B. Jukes : Edited by his Sister ( Chapman and Hall ) .- A Handbook of the Mineralogy of Cornwall and Devon : J. H. Collins ...
... organs and the mode in which their products are brought together . BOOKS RECEIVED ENGLISH - The Letters of J. B. Jukes : Edited by his Sister ( Chapman and Hall ) .- A Handbook of the Mineralogy of Cornwall and Devon : J. H. Collins ...
Стр. 42
... organs in this order published in the Annals of Natural History in 1851 , and classifies the genera which constitute it into seven tribes , on cha- racters dependent mainly on the structure of the fruit , and on the position of the ...
... organs in this order published in the Annals of Natural History in 1851 , and classifies the genera which constitute it into seven tribes , on cha- racters dependent mainly on the structure of the fruit , and on the position of the ...
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Academy acid action angles animals appeared Astronomer aurora beds Botany bright British carbon Carboniferous centimetres centre character charge chemical chromosphere coast College colour commenced containing corona Crustacea curve described Devonian direction earth eclipse electricity examination exhibited existence expedition experiments fact feet fibres Foraminifera force fossils genera genus Geology give gneisses Greenland Gulf Stream heat inch insects INSTITUTION interesting lectures letter light London magnetic mass matter means memoir muscle Museum Natural History nerve notice nutation observations Observatory obtained origin osseine paper phenomena physical plane plants polar polariscope portion position prisms produced Prof pseudomorphism referred regard remarkable rocks Roderick Murchison Royal Society schists scientific seen silicates Silurian Smith Sound solar species specimens spectroscope spectrum Spitzbergen streamers supposed surface T. W. WEBB telescope temperature theory tion Zoological
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Стр. 180 - O'er bog or steep, through strait, rough, dense, or rare, With head, hands, wings, or feet, pursues his way, And swims, or sinks, or wades, or creeps, or flies.
Стр. 15 - Champlain, the Green Mountains of Vermont, and the White Mountains of New Hampshire. The...
Стр. 245 - Anatomy as a compendious, reliable, and, notwithstanding its small dimensions, most comprehensive guide on the subject of which it treats. To praise or to criticise the work of so accomplished a master of his favorite science would be equally out of place. It is enough to say that It realizes, in a remarkable degree, the anticipations which have been formed of it; and that it presents an extraordinary combination of wide, general views, with the clear, accurate, and succinct statement of a prodigious...
Стр. 310 - PRIZE." 2. That this Prize be adjudged once in three years. 3. That it be adjudged for the best original memoir, invention or discovery, in connexion with Mathematico-physical or Mathematico-experimental science that may have been published during the three years immediately preceding...
Стр. 209 - The Royal College of Physicians of London ; The Royal College of Surgeons of England; The Apothecaries...
Стр. 182 - The sun's rays are the ultimate source of almost every motion which takes place on the surface of the earth. By its heat are produced all winds, and those disturbances in the electric equilibrium of the atmosphere which give rise to the phenomena of lightning, and probably also to those of terrestrial magnetism and the aurora.
Стр. 137 - In that paper it was demonstrated experimentally, that the mechanical power exerted in turning a magneto-electric machine is converted into the heat evolved by the passage of the currents of induction through its coils; and, on the other hand, that the motive power of the electro-magnetic engine is obtained at the expense of the heat, due to the chemical reaction of the battery by which it is worked.
Стр. 137 - On the Calorific Effects of Magneto-Electricity, and on the Mechanical Value of Heat.
Стр. 13 - Mining Tools. A MANUAL OF MINING TOOLS. For the Use of Mine Managers, Agents, Students, &c. By WILLIAM MORGANS, Lecturer on Practical Mining at the Bristol School of Mines.
Стр. 107 - Andrews' curved lines are to be placed with their planes parallel to one another, and separated by intervals proportional to the differences of the temperatures to which the curves severally belong, and with the origins of coordinates of the curves situated in a straight line perpendicular to their planes, and with th<!