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acid amygdules Analcite appears atmosphere atomic atomic weight beds body bright calcite carbonate character chloride chromosphere coal color cone containing copper corona Cretaceous crinoid crystalline crystals Datolite delessite deposits described determined distance eclipse edge electric Eocene experiments fact feet formation Fort Bridger fossil genus Geological give glacier granitic Grizzly Buttes grms heat hydrogen inch iron Journal Lake latter laumontite length less light limestone lines liquid lower magnetic mass mercury miles mineral molecules mudlump nearly nitric acid observed obtained Orthoclase oxide passing petroleum phosphate photosphere plates portion position posterior Prehnite present probably Prof quantity quartz region Report river rocks salt seen side silicate solar solution species specimens spectroscope spectrum strata substance sulphuric sun's surface temperature Tertiary thickness tion Transverse diameter tube upper valley vapor veins vertebra weight Yale College
Page 152 - Crown 8vo. bevelled cloth, 4th edition. 6s. Adamson (Rev. TH) The Gospel according to St. Matthew, expounded. 8vo. izs. Adventures of a Young Naturalist. By LUCIEN BIART, with 117 beautiful Illustrations on Wood. Edited and adapted by PARKER GILLMORE, author of "All Round the World," " Gun, Rod, and Saddle,
Page 292 - Science is bound, by the everlasting law of honour, to face fearlessly every problem which can fairly be presented to it. If a probable solution, consistent with the ordinary course of nature, can be found, we must not invoke an abnormal act of Creative Power.
Page 291 - The essence of science, as is well illustrated by astronomy and cosmical physics, consists in inferring antecedent conditions, and anticipating future evolutions, from phenomena which have actually come under observation.
Page 291 - ... in a single day conveys an impression of the intensity of the forces acting to produce such a velocity of material transfer through space such as no other natural phenomenon is capable of exciting. It is clear that if we have to deal here with matter, such as we conceive it, viz., possessing inertia — at all, it must be under the dominion of forces incomparably more energetic than gravitation, and quite of a different nature...
Page 276 - He went home with the result, and commenced his calculations, but felt so much agitated that he handed over the arithmetical work to a friend: then (and not when, sitting in a garden, he saw an apple fall) did he ascertain that gravitation keeps the Moon in her orbit. Faraday's discovery of specific inductive capacity, which inaugurated the new philosophy, tending to discard action at a distance, was the result of minute and accurate measurement of electric forces. Joule's discovery of thermo-dynamic...
Page 240 - On the Surface Geology of the Basin of the Great Lakes and the Valley of the Mississippi.
Page 276 - Andrews' discovery of the continuity between the gaseous and liquid states was worked out by many years of laborious and minute measurement of phenomena scarcely sensible to the naked eye.
Page 292 - organic cells," or " protoplasm." But science brings a vast mass of inductive evidence against this hypothesis of spontaneous generation, as you have heard from my predecessor in the presidential chair. Careful enough scrutiny has, in every case up to the present day, discovered life as antecedent to life. Dead matter cannot become living without coming under the influence of matter previously alive. This seems to me as sure a teaching of science as the law of gravitation.
Page 262 - Lycopodium are nearer to lignite than to woody fibre, and may be converted into coal with far less loss of carbon and hydrogen than the latter. They in fact approach closer in composition to resins and fats than to wood, and, moreover, like those substances repel water, with which they are not easily moistened, and thus are able to resist those atmospheric influences which effect the decay of woody tissue.
Page 282 - When a piece of brass, compounded of copper and zinc, was put into the cup, the spectrum showed all the bands, each precisely in the place in which it had been seen when one metal or the other had been used separately. It is much to be regretted that this great generalisation was not published to the world twenty years ago.