The American Journal of Science and Arts, Объемы 101-102S. Converse, 1871 |
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Стр. iv
... Granitic Rocks . First Part ; by T. S. HUNT , XIV . - On Siredon Metamorphoses , etc .; by E. D. COPE , --- XV . - Lower Carboniferous Limestone in Ohio ; by E. B. ANDREWS , ... Page 77 82 89 91 93 XVI .-- Brief Contributions to Zoology ...
... Granitic Rocks . First Part ; by T. S. HUNT , XIV . - On Siredon Metamorphoses , etc .; by E. D. COPE , --- XV . - Lower Carboniferous Limestone in Ohio ; by E. B. ANDREWS , ... Page 77 82 89 91 93 XVI .-- Brief Contributions to Zoology ...
Стр. v
... Granitic Rocks : Part II ; by T. STERRY HUNT , Page 157 168 172 179 182 XXIX . On the Geology of the Eastern Uintah Mountains ; by O. C. MARSH , - 191 XXX . - On the System of the Batrachia Anura of the British Museum Catalogue ; by ...
... Granitic Rocks : Part II ; by T. STERRY HUNT , Page 157 168 172 179 182 XXIX . On the Geology of the Eastern Uintah Mountains ; by O. C. MARSH , - 191 XXX . - On the System of the Batrachia Anura of the British Museum Catalogue ; by ...
Стр. 82
... parts to describe the Lau- rentian veins and to consider the subject of eruptive granites . that in certain of these hornblendic granites , the quartz 82 T. S. Hunt on Granitic Rocks . -Notes on Granitic Rocks First Part; by T S HUNT,
... parts to describe the Lau- rentian veins and to consider the subject of eruptive granites . that in certain of these hornblendic granites , the quartz 82 T. S. Hunt on Granitic Rocks . -Notes on Granitic Rocks First Part; by T S HUNT,
Стр. 83
... granites , and finally disappears altogether , giving rise to a rock composed of orthoclase and hornblende only . To this binary aggregate von Cotta and Zirkel would restrict the term syenite , which was already de ... Granitic Rocks . 83.
... granites , and finally disappears altogether , giving rise to a rock composed of orthoclase and hornblende only . To this binary aggregate von Cotta and Zirkel would restrict the term syenite , which was already de ... Granitic Rocks . 83.
Стр. 84
... granitic rocks , we proceed to notice their structure . Gneiss has the same mineral elements as granite , but is distinguished by the more or less stratified and parallel arrangement of its ... granites of 84 T. S. Hunt on Granitic Rocks .
... granitic rocks , we proceed to notice their structure . Gneiss has the same mineral elements as granite , but is distinguished by the more or less stratified and parallel arrangement of its ... granites of 84 T. S. Hunt on Granitic Rocks .
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acid amygdaloid amygdules Analcite appears atomic beds body calcite carbonate Carboniferous character chloride chromosphere coal color comet containing copper corona Cretaceous crystalline crystals Datolite delessite deposits described determined diameter direction distance edge epidote experiments fact fathoms feet feldspar formation fossils genus Geological glacier granitic Grizzly Buttes grms heat hydrogen images inch iridium iron Lake latter laumontite length less light limestone lower magnetic mass melaphyr metallic meteoric miles mineral minute mountain mudlump nearly nitric acid observations obtained occur Orthoclase oxide Oxytricha papillæ passed photosphere plates portion position posterior prehnite premolar present probably Prof quartz region remarkable river rocks salt seen side silicate solar solution species specimens spectrum stars strata sulphur surface temperature Tertiary thick tion tornado transverse tube upper valley vapor veins weight Yale College
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Стр. 268 - There is grandeur in this view of life, with its several powers, having been originally breathed by the Creator into a few forms or into one; and that, whilst this planet has gone cycling on according to the fixed law of gravity, from so simple a beginning endless forms most beautiful and most wonderful have been, and are being evolved.
Стр. 268 - But overpoweringly strong proofs of intelligent and benevolent design lie all round us; and if ever perplexities, whether metaphysical or scientific, turn us away from them for a time, they come back upon us with irresistible force, showing to us through nature the influence of a free-will, and teaching us that all living beings depend on one everacting Creator and Ruler.
Стр. 267 - Hence, and because we all confidently believe that there are at present, and have been from time immemorial, many worlds of life besides our own, we must regard it as probable in the highest degree that there are countless seedbearing meteoric stones moving about through space. If, at the present instant, no life existed upon this earth, one such stone falling upon it might, by what we blindly call natural causes, lead to its becoming covered with vegetation.
Стр. 268 - It is interesting to contemplate an entangled bank, clothed with many plants of many kinds, with birds singing on the bushes, with various insects flitting about, and with worms crawling through the damp earth, and to reflect that these elaborately constructed forms, so different from each other, and dependent on each other in so complex a manner, have all been produced by laws acting around us.
Стр. 300 - Medical Times. A SERIES OF CHEMICAL PROBLEMS, prepared with Special Reference to the above, by TE THORPE, Ph.D., Professor of Chemistry in the Yorkshire College of Science, Leeds. Adapted for the preparation of Students for the Government, Science, and Society of Arts Examinations. With a Preface by Professor ROSCOE. New Edition, with Key, iSmo. 2s. POLITICAL ECONOMY. POLITICAL ECONOMY FOR BEGINNERS. By MILLICENT G. FAWCETT. New Edition. iSmo. zr. fid. "Clear, compact, and comprehensive."— Daily...
Стр. 252 - Definite and complete in its area as it is, it is but a well-drawn part of a great chart, in which all physical science will be represented with every property of matter shown in dynamical relation to the whole. The prospect we now have of an early completion of this chart is based on the assumption of atoms. But there can be no permanent satisfaction to the mind in explaining heat, light, elasticity, diffusion, electricity and magnetism, in...
Стр. 265 - 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.
Стр. 266 - Science is bound, by the everlasting law of honor, to face fearlessly every problem which can fairly be presented to it...
Стр. 250 - 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...
Стр. 250 - 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.