IKDEX. 



A. 



Page 



Abbot, C. G., assistant in Astrophysical Observatory 79 



Abbott, on sewer gas 400 



Abbott, Dr. William L. , explorations by 7, 41 



Abercrombie, R., cited _ 321 



Aboriginal cults, influence of environment on 683 



industries, effect of environment on 656 



Abreks, tribes of Turkomans 511 



Absorption and reflection of sunlight 314 



Academy of Fine Arts, of France 715 



Academy of Inscriptions, of France 715 



Academy of Moral and Political Sciences : 723 



Acland, Mr. , quoted 385 



Acosta, Jesuit missionary, quoted 189 



Acton, Mr. , researches by 473 



Adams, Prof. J. C, magnetic observations by 112 



Adler, Cyrus, on Persepolitan casts in National Museum . . . : 86 



report as librarian 82 



Aeration and self-purification of rivers 302 



of water 143 



Aerolites, estimated number of 198 



investigation of 340 



origin of 312 



Age of the earth, by Clarence King 84 



Agnosticism, Huxley's definition of 779 



Agricultural Department, exchanges of 63 



collection from 22 



Ainos, history of the 668 



origin of the 517 



Air (See also Atmospheric air.) 



Air, acid impurities in , 246 



action of plants on „ - - 307 



amount inhaled by human lungs 208 



as an elastic fluid 140 



building materials permeated by 300 



causes of fog in 231 



chemical composition of 147 



city, impurities in 213 



close, effects of 176 



effect on health 349 



composition of 351 



composition in ocean water 144 



compression of 308 



795 



