The Popular Science Review: A Quarterly Miscellany of Entertaining and Instructive Articles on Scientific Subjects, Volume 10James Samuelson, Henry Lawson, William Sweetland Dallas Robert Hardwicke, 1871 - Science |
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Page 10
... caused by itself ; fol- lowed as it were more slowly by the wave of the explosion . But if the shot is behind the sound - wave , in consequence of its velocity being less than that of sound , the shot may be travel- ling in a medium ...
... caused by itself ; fol- lowed as it were more slowly by the wave of the explosion . But if the shot is behind the sound - wave , in consequence of its velocity being less than that of sound , the shot may be travel- ling in a medium ...
Page 13
... causes the arm a to strike a blow on the lever b . Thus the marker m is made to depart from the uniform spiral it was describing . But when the current is restored , the keeper being attracted causes the marker m to be brought back ...
... causes the arm a to strike a blow on the lever b . Thus the marker m is made to depart from the uniform spiral it was describing . But when the current is restored , the keeper being attracted causes the marker m to be brought back ...
Page 15
... cause ; and it is important to call attention to this , because a very high authority on this subject , Mr. A. R. Wallace the independent originator , and the most able de- fender of the theory which bears Mr. Darwin's name - has ...
... cause ; and it is important to call attention to this , because a very high authority on this subject , Mr. A. R. Wallace the independent originator , and the most able de- fender of the theory which bears Mr. Darwin's name - has ...
Page 18
... cause , a continual tendency to lengthen in successive generations . It is evident that moths that happen to be born with probosces longer than the average will have an advantage over those that are born with them shorter . They will ...
... cause , a continual tendency to lengthen in successive generations . It is evident that moths that happen to be born with probosces longer than the average will have an advantage over those that are born with them shorter . They will ...
Page 21
... cause ; for natural selec- tion admits no surplusage . Nor is the size of the brain the only characteristic in man which presents this difficulty . Mr. Wallace applies the same line of argument with great ingenuity to the foot , the ...
... cause ; for natural selec- tion admits no surplusage . Nor is the size of the brain the only characteristic in man which presents this difficulty . Mr. Wallace applies the same line of argument with great ingenuity to the foot , the ...
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Common terms and phrases
192 Piccadilly acid animal appearance astronomers bear belt Brachiopods brain British carbon carbonic acid Chemical coal colour contains corona described disc eclipse edition Egyptian bean evidence exhibited experiments fact favour feet flowers foliated fungi Geological gives glass gneiss grafting Greenland heat Hydroid Illustrated inches insects interesting iron Journal less light lines London Lotophagi Lotos M. C. COOKE mass matter Medusa Messrs Microscopical mineral motion muscles mycelium natural natural selection naturalists nearly nerves nervous notice observations obtained organs paper Penicillium peristome photographic plants plate pleiocene Pleistocene Pniel polariscopic polypite portion present prisms probably Proctor produced Professor quantity R. A. PROCTOR reader remarkable ROBERT HARDWICKE rocks Royal says schists Science scientific seems seen sleep Society solar species specimens spectroscope spores stars structure substance surface theory tion velocity volume zodiacal light
Popular passages
Page 256 - And taste, to him the gushing of the wave Far far away did seem to mourn and rave On alien shores ; and if his fellow spake, His voice was thin, as voices from the grave ; And deep-asleep he seem'd, yet all awake, And music in his ears his beating heart did make...
Page 116 - WHITE'S MOC-MAIN LEVER TRUSS (Perfected and Exhibited in the Great Exhibitions of 1851 & 1862} Is allowed by upwards of 200 Medical Gentlemen to be the most effective invention in the curative treatment of HERNIA. The use of a steel spring, so often hurtful in its effects, is here avoided ; a soft bandage being worn round the body, while the requisite resisting power is supplied by the MOC-MAIN PAD and PATENT LEVER, fitting with so much ease and closeness that it cannot be detected, and may be worn...
Page 14 - I believe that animals have descended from at most only four or five progenitors, and plants from an equal or lesser number.
Page 256 - Branches they bore of that enchanted stem, Laden with flower and fruit, whereof they gave To each, but whoso did receive of them, And taste, to him the gushing of the wave Far, far away did seem to mourn and rave On alien shores...
Page 14 - 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.
Page 116 - ... its effects, is here avoided ; a soft bandage being worn round the body, while the requisite resisting power is supplied by the MOC-MAIN PAD and PATENT LEVER, fitting with so much ease and closeness that it cannot be detected, and may be worn during sleep. A descriptive circular may be had, and the Truss (which cannot fail to fit...