Bulletin of the Philosophical Society of Washington, Volume 11Philosophical Society of Washington, 1892 - Science Vols. 6-12 include the Proceedings of the society's Mathematical Section, 1883-1892. |
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Abstract American andesites announced the election annual report Auwers biotite body bonds breccia Bulletin cent Chair announced Chairman character chemical Committee communication correction Cosmos Club crystalline crystallization December December 22 deposits diorites earth Electric Peak fault feldspar fibers force G. W. HILL Geological Survey granophyre guests present hornblende increase investigation Kidder lake lava magma MARCUS BAKER mass Meeting members and guests members present Messrs microfelsite minerals needles observed Obsidian Cliff officers optical orthoclase oxide pendulum Phil Philosophical Society porphyrites portion position President EASTMAN pressure prisms proper motions publication Published in full quartz R. S. WOODWARD radiate read a paper rhyolite rocks Science Secretary serials Sierra silica Society of Washington solar apex spherulites spherulitic growth stars street structure surface temperature THOMAS HAMPSON tion Treasurer trichites tridymite volcanic W. C. WINLOCK W. H. DALL Wash zone