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Academy of Sciences active Advancement of Science Agriculture American Association American Chemical Society animals apparatus atmosphere awarded bands biological Board Botanical Bureau Carnegie cells cent chemical chemistry Chicago College Columbia University committee cosmic rays Council culture director discussion disease effect elected engineering erosion experimental experiments fellowships fessor field Geological Grand Central Terminal growth Harvard held hybrids ical industry Institute interest investigations John Jour laboratory lecture mathematical Medal Medical School Medicine ment method Museum National natural observed organization papers Permian pernicious anemia physics physiology Pittsburgh planning plants present president problems produced professor recent RECENT DEATHS reported SCIENCE FRIDAY scientific secretary session Sigma Xi Smithsonian Institution Building Society soil species surface temperature tests theory tion tonometer velocity versity virus Washington William Yale Yale University York York Botanical Garden