INDEX. 767 



Page. 



Hydrogen, li(]ni(l, (U'li^ity of 260 



Dewar on i;{X 



solid, method of niaking 1*51-2(51 



Dewar on 2ol-2()l 



I. 



IcelxTgFi, antarctic, characteristics of ;^}^4 



J llnniination, development of. Hough on 49.S-500 



] ni provement of human breed, Gallon on ri2.S-5o7 



Incandescent mantles 134 



Income and expenditure, resolution concerning w 



Smithsonian, present inadequacy of x .\ iv 



Indian collections in National Museum 55 



Indians, American, types of 4(51_473 



South American, collections from 56 



traps of 461-478 



Virginia, study of 67 



Insects, increase in collections of 58 



papers on i;;7, 667 



International catalogue of scientific literature xxi, (i, 2.'!, 127 



exchanges, appropriations for xxvu, lvii, 9 



correspondents of <S6, 94 



countries participating in 1 00 



European agencies of <S8 



foreign government depositories of 108 



Government documents sent by 96 



number ( )f parcels sent by 49 



operations of 49, 85-104 



receipts and disbursements of xxvii 



Secretary's report on 48 



weight of transmissions by 86 



Intramercurial planets, photographs of 120 



Ionized air, researches by Barus in 13 



atmosphere, observations on 243 



gases, researches in 183 



Iroquois Indians, study of 67 



Irrigated and irrigable areas 410, 41 1, 412, 415 



1 rrigation, cost of 418 



laws regulating 417 



F. H. Newell on 407-423 



Isopods of North America, Miss Richardson on 1 38 



Italy, exchange service with 90 



Ives's process of color photography 814 



J. 



Japan, exchange service with 87 



shells from 58 



Janssen, on progress in aeronautics 133 



Janssen's astronomical revolver 317 



Jefferson, President, on meteorites 193 



Jenks, Albert E. , Indian researches V)y 72 



Jennings, O. P., collections from 58 



Jewish ceremonial objects , 136 



