670 INDEX. 



Hygrometer for balloon explorations ." 303 



Hylozoism, doctrine of 213 



Hypnotism, study of 209 



I. 



Ice age, Geinitz on 385 



sheet, Antarctic 422, 425 



Ichthyol, discovery of 330 



Ichthyology, economic, study of 331 



Idumium, discovery of 240 



Illuminating gas, first use of 275 



Illumination, artificial, methods of 275 



cost of various kinds of 277 



nature and processes of 278 



Incandescent electric light, nature of 285 



lights, cost of 277 



Income, resolution concerning xi 



statement of xlii 



Indian burial customs 553 



land cessions, paper on 44 



ruins in Arizona 602 



Indians in war of 1812 80 



Infra red spectrum, holographic analysis of 27 



researches in 7, 12 



Insects, life histories of 501 



Institute of Fran ce, centennial of 76, 77 



Internal secretion, progress in study of 446 



work of the wind, by S. P. Langley 171 



International exchanges, appropriation for xliii, 6 



correspondents of 48, 77 



curator's report on 46 



finances of xix, 21, 22, 47 



official documents transmitted by 49 



Secretary's report on 21 



statistics of 21, 46 



Winlock's history of 77 



International Navigation Company, courtesies from 51 



Invertebrates, Antarctic 421 



life histories of 490, 500 



Iron refining, improved methods of 328 



Israelites, traces of, in Egypt 573 



J. 



Japanese nation, Hubbard on 75, 77 



Jardin des Plantes, Paris, history of 507 



Jargonium, discovery of 240 



Jefferson, Ex- President, library of 625 



Jennings, H. L., at Smithsonian Naples table 9 



Johnston, Captain, explorations by 610 



Johnston, William Preston, Eegent of the Institution x 



Jollivet-Castelot, F., cited 211 



Jordan, David Starr, biography of Dr. Goode by 77 



collections from 31 



on fishes of North America 79 



