The American Journal of Science |
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Common terms and phrases
acid amount angle appears become beds causes character clay climate close color considerable containing continued covered crystals deposits depth described determined direction effect entirely evidence examination existed extended fact feet figures fossils geological given gives glacial Glacial epoch gravel heat height hills important inches increase indicate Island Journal known Lake land latter length less light locality lower mass material mean measured miles mineral natural nearly observations obtained occur origin passing period physical plates portion position present probably produced Professor quartz question referred regarded region relation remains represented River rocks sand schists seems seen shown side similar snow species specimens surface taken temperature theory thick tion United upper valley volume whole
Popular passages
Page 170 - In the use of this form of grating, the slit is placed in the circumference of a circle whose diameter is equal to the radius of curvature of the grating, and which touches its surface.
Page 431 - These facts will be referred to when we come to consider the question of warm polar climates. It would be impossible within the limits of the present paper to give even the briefest outline of the recent discoveries in regard to interglacial periods. But though this were possible it would be wholly unnecessary, as the facts which have already been adduced by Mr. Wallace himself are perfectly sufficient for our present purpose. If now it be true, as it undoubtedly is, that the Hessle...
Page 325 - I drew the conclusion, that the combinations and decompositions by electricity were referable to the law of electrical attractions and repulsions, and advanced the hypothesis, " that chemical and electrical attraction were produced by the same cause, acting in one case on particles, in the other on masses ;" and that the same property, under different modifications, was the cause of all the phenomena exhibited by different voltaic combinations.
Page 261 - ... especially if not learned young, are likely to remain unlearned. I will not further insist upon the educational importance of mathematics and science, because with respect to them I shall probably be supposed to be prejudiced. But of modern languages I am ignorant enough to give value to my advocacy. I believe that French and German, if properly taught, which I admit they rarely are at present, would go far to replace Latin and Greek from a disciplinary point of view, while the actual value of...
Page 63 - Abstract of the report on the geology of the Eureka district, Nevada, by Arnold Hague; Preliminary paper on the terminal moraine of the second glacial epoch...
Page 261 - From the general spread of a more scientific education, we are warranted in expecting important results. Just as there are some brilliant literary men with an inability, or at least a distaste practically amounting to inability, for scientific ideas, so there are a few with scientific tastes whose imaginations are never touched by merely literary studies. To save these from intellectual stagnation during several important years of their lives is something gained, but the thorough-going advocates...
Page 270 - Cotton, the Fulminates, Picrates, and Chlorates; also, the Chemistry and Analysis of the Elementary Bodies which enter into the Manufacture of the principal Nitro-Compounds.
Page 261 - ... the question upon the supposition that the majority of boys attain either to a knowledge of the languages or to an appreciation of the writings of the ancient authors. The contrary is notoriously the truth; and the defenders of the existing system usually take their stand upon the excellence of its discipline. From this point of view there is something to be said. The laziest boy must exert himself a little in puzzling out a sentence with grammar and dictionary, while instruction and supervision...
Page 347 - Archimedes possessed so high a spirit, so profound a soul, and such treasures of scientific knowledge, that though these inventions had now obtained him the renown of more than human sagacity, he yet would not deign to leave behind him any commentary or writing on such subjects ; but, repudiating as sordid and ignoble the whole trade of engineering, and every sort of art that lends itself to mere use and profit, he placed his whole affection and ambition in those purer speculations where there can...
Bibliographic information
| Title | The American Journal of Science Issue 1000 of Publication (Carnegie Institution of Washington. Geophysical Laboratory) |
| Publisher | J.D. & E.S. Dana, 1884 |
| Original from | Harvard University |
| Digitized | 4 Mar 2008 |
| Export Citation | BiBTeX EndNote RefMan |