index. 799 



Page. 



Atmospheric air, masses of unequal temperature 334 



movements of 190 



penetrates soil and sea 140 



physical qualities of 308 



propagatiou of sound in 340 



weight of different constituents of 352 



Atoms and sunbeams, Sir Eobert Ball on 84 



Aurora borealis, cause of 310 



general distribution of 310 



Aurora?, height of . 105,313 



Austria-Hungary, exchange transmissions with 04, 66, 67 



Avery, Eobert Stanton, bequest of xvii, 16 



biography of 36 



death of xvii 



Award committee of Hodgkins prizes xvii 



Awatobi, collections from 574 



description of 571 



ruins of, in Arizona 557, 566 



story of destruction of 567 



Ayrton, Professor 754 



Azote, discovery of 149 



Aztec ruins 537 



B. 



Bacilli, varieties of 251, 252 



Bacillus, anthrax, destruction of 784 



hay 251 



of influenza 268 



typhoid ^ 453 



Bacon, Roger 730,^732, 738 



Bacteria, and organic decomposition 304 



favorite habitat of 304 



in air 238,251 



Bacteriological laboratories 502 



Bacterium, nitrifying, assimilation process in 473 



Baeyei', Adolph, cited 473, 474 



Bailey, H. B., & Co., courtesies from 64 



Baird, Professor, portrait of 19 



Baker, Frank, report on Zoological Park 74 



Ball, Sir Eobert, on atoms and sunbeams 84 



on wanderings of north pole 84 



Balloons, electrical observations with 96 



explorations with 336 



meteorological observations with It, 336 



temperature observations with 315, 318 



Balluff", Bernard, donation to Zoological Park 72 



Baltazzi, X., courtesies from 64 



Baly, E. C. C, honorable mention of 14 



Barnes, Charles L., on science in early England 729 



Barometer, oscillations of 321 



Barns, Carl, grant to 6 



Baschin, O., electrical observations by 96 



Basel University, publications from 82 



Bashkirs, the 511 



Bates, H. W., cited 487 



