INDEX. 815 



.Page. 



Ilosva, Dr. Ludwig Ilosvay von Nagy, honorable mention of 14 



Income, resolution for expenditure of xviii 



Indian edifices of Central America 552 



Office, exchanges of 63 



settlements in Central America 537 



Indians, Central American 538 



Indo-Chinese races 513 



Indo-European races • 512 



Industrial arts, kinds of 643 



Industries, aboriginal, affected by environment 656 



Infectious diseases, distribution of 272 



Influenza, bacillus of 268 



causes and prevention of 268, 331 



of epidemics of 269, 272 



microbe of 253 



Infra-red solar spectrum, investigation of 75 



researches on 128 



Insect mimicry 703 



pests, influence of weather on 306 



Insects, light produced by 414 



luminous 418 



Institute of France, centennial of ...... 713 



Institutions, relations of, to environment.... 701 



Intemperance in drink, causes of 293 



Interferential refraetometer, use of 120 



Interior Department, exchanges of 63 



International exchanges, Brussels treaty of 1886 60 



curator's report on 55 



finances of xxi, 25, 56 



legislation for xli 



official documents 60 



Secretary's report on 24 



statistics of 55 



correspondents 57 



Interstate Commerce Commission, exchanges of 63 



Iodine in the atmosphere 162 



Irrigation, source of disease 343 



Italy, exchange transmissions with 65, 66, 67 



international exchange treaty with 61 



pestilential marshes of 249 



Ives, F. E., on color photography 84, 127, 128 



Iximche ruins at . 538 



J. 



Janssen, J., on Hodgkins prize committee xvii, 12, 13 



Japan, Christianity in 669 



commercial development of 670 



early history of 668 



educational development of 671 



emancipation of slaves in 671 



exchange transmissions with 65, 66, 67 



feudal system abolished in 671 



foreign commerce of 680 



industrial era in 679 



military officers of 668 



