The American Journal of Science and Arts, Томи 109 – 110S. Converse, 1875 |
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acid alcohol ammonia angle appear argillites barometer beds carbon chloride chondrodite coal coast color contains County Cretaceous crushing crystals deposits depth described diameter distance east Eocene evidence experiments fact fathoms feet feldspar formation fossils galvanometer genus Geological give given glacial glacier gneiss grams Haven heat height hornblende humite hydrochloric acid hydrogen inches iron Island Journal Lake latter layers less light limestone limonite lower magnetic maps mass measured metamorphic miles mineral Miocene mountain nature nearly nitric acid observations obtained occur oxide paper passing plane plates portion premolar present prism probably produced Prof Professor pseudomorphism quartzites region Report ridge River rocks sand sandstone schists shales side silica Silurian Sirenia slates solution southern species specimens spectrum strata surface syenite temperature terrace thickness tion tube upper valley velocity volume
Популярні уривки
Сторінка 173 - Thou hidest thy face, they are troubled : thou takest away- their breath, they die, and return to their dust. Thou sendest forth thy spirit, they are created : and thou renewest the face of the earth.
Сторінка 173 - LORD, how manifold are Thy works ! in wisdom hast Thou made them all ; the earth is full of Thy riches. So is this great and wide sea, wherein are things creeping innumerable, both small and great beasts.
Сторінка 318 - With numerous Illustrations. Crown 8vo. y. 6d. POLARISATION OF LIGHT. By W. SPOTTISWOODE, FRS With many Illustrations. Second Edition. Crown 8vo. 3*. 6d. ON BRITISH WILD FLOWERS CONSIDERED IN RELATION TO INSECTS.
Сторінка 253 - ... number of particles, each capable of vibrating in perfect unison with every possible undulation, it becomes necessary to suppose the number limited ; for instance, to the three principal colours, red, yellow, and blue...
Сторінка 307 - an Essay concerning important physical features exhibited in the Valley of .the Minnesota River and upon their signification," submitted to the Chief of Engineers in 1874 and published in the Report for 1875 (pp.
Сторінка 323 - Problems of rotary motion presented by the gyroscope, the precession of the equinoxes, and the pendulum.
Сторінка 149 - Report upon vertebrate fossils discovered in New Mexico, with descriptions of new species. Octavo, 18 pages.
Сторінка 251 - That fundamental supposition is, that the parts of bodies, when briskly agitated. do excite vibrations in the ether, which are propagated every way from those bodies in straight lines, and cause a sensation of light by beating and dashing against the bottom of the eye, something after the manner that vibrations in the air cause a sensation of sound by beating against the organs of hearing.
Сторінка 117 - Doubtless, careful examination would discover the pathways of glaciers running into the lake from the eastern summits also; but I failed to detect any very clear traces of such, either on the eastern or on the northern portion of the western side of the lake; while between the southwestern end and Sugar Pine Point, a distance of only eight or ten miles, I saw distinctly the pathways of five or six. North of Sugar Pine Point there are also several They are all marked by moraine ridges running down...
Сторінка 280 - ... proportional to their indices of refraction. There are no transparent media for which the magnetic capacity differs from that of air more than by a very small fraction. Hence the principal part of the difference between these media -must depend on their dielectric capacity. According to our theory, therefore, the dielectric capacity of a transparent medium should be equal to the square of its index of refraction.