The American Journal of Science and ArtsS. Converse, 1877 |
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alcohol ammonia amount analysis anticlinal apparatus appears beds belt boiling carbon Carboniferous cent Chazy Chem chemical chloride coal color Colorado columbite column containing Cretaceous crops crystalline crystals described east eastern Eolian Eolian limestone euxenite experiments fact feet fluoride formation Fort Sully fossils fusing Geological given gives glacial grms heat hydrogen inches iron limestone liquid lower manure mass metallic miles mineral Miocene Mountain nearly nitrate nitric acid nitrogen observations obtained oxide Paleozoic paper pinnules plants plates portion precipitate pressure Prof Professor quantity quartzyte rain rain-areas rain-fall Red Sand-rock region Report River rocks salt samarskite sandstone Sawatch Range schist shales shows Silurian slate sodium soil soluble solution species specific gravity specimens spectrum star stations strata substance sulphuric surface temperature thick tion Trenton Trilobite tube upper valley velocity Vermont Vespertine volume West Rutland winds
Vinsælir kaflar
Síða 431 - HOW TO DRAW A STRAIGHT LINE : a Lecture on Linkages. By AB KEMPE. With Illustrations. Crown 8vo.
Síða 381 - For the equilibrium of any isolated system it is necessary and sufficient that in all possible variations of the state of the system which do not alter its entropy, the variation of its energy shall either vanish or be positive.
Síða 162 - Mineralogical Magazine and Journal of the Mineralogical Society of Great Britain and Ireland.
Síða 419 - LIGHT: a Series of Simple, entertaining, and Inexpensive Experiments in the Phenomena of Light, for the Use of. Students of every age.
Síða 352 - It is now generally admitted by biologists who have made a study of the vertebrates, that Birds have come down to us through the Dinosaurs, and the close affinity of the latter with recent Struthious Birds will hardly be questioned. The case amounts almost to a demonstration, if we compare, with Dinosaurs, their contemporaries, the Mesozoic Birds. The classes of Birds and Reptiles, as now living, are separated by a gulf so profound that a few years since it was cited by the opponents of evolution...
Síða 132 - I do not, however, believe that if all known plants were tried in the same manner, half would be found to be sterile within the specified limits ; for many flowers were selected for experiment which presented some remarkable structure ; and such flowers often require insectaid."— (p.
Síða 62 - But such a personification of "force" is a remnant of barbaric thought, in no wise sanctioned by physical science. When astronomy speaks of two planets as attracting each other with a " force " which varies directly as their masses and inversely as the squares of their distances...
Síða 1 - Contributions to Meteorology: being results derived from an examination of the Observations of the United States Signal Service, and from other sources ; by ELIAS LOOMIS, Professor of Natural Philosophy in Yale College.
Síða 321 - Proceedings and Transactions of the Nova Scotia Institute of Natural Science, vol.
Síða 18 - Rainfall is not essential to the formation of areas of low barometer, and is not the principal cause of their formation or of their progressive motion.