1919] 



INDEX OF SUBJECTS. 



968 



Infants — Continued. 



newborn, intestinal contents, 68. 

 tomato juice for, 266. 

 Infective ajjonts, theory of Invasion bv, 



777. 

 Influenza, equine, notes, 580. 



(See also I'leuro-pneumonla.) 

 Inheritance. (See Heredity.) 

 Insect — 



causation of disease, steps for investi- 

 gation, 456. 

 powder, adulteration, U.S.D.A., 550. 

 Insecticidal plants, list, 56. 

 Insecticide from derris, tests, 661. 

 Insecticides — 



inspection and analyses, Mich., 4 i:: ; 



N.J., 43; N.Y.Stale, 237. 

 notes, 354. 

 tests. Wis., 661. 



(See also Sprays and specific forms.) 

 Insects — 



absence of complement in blood, 754. 

 beneficial, distribution in Hawaii, 549. 

 biology, formula of, 661. 

 climatic law, 16. 

 collection and preservation, 754. 

 control by bioIoj;ical method, 754. 

 control in New York, 245, 248. 

 control, in relation to clean cultiva- 

 tion, 456. 

 control, oraanization for, 250. 

 economic, of United States and Canada, 



class-books, 56. 

 foreign, protectinj? American crops 



against, 443. 

 forest. (See Forest insects.) 

 fungus parasites, 59. 

 garden. (See Garden insects.) 

 injurious — 



in British Guiana, 455. 

 in Ceylon, 455. 



in Connecticut, Conn. State, 159. 

 in Cuba, 847. 

 in England, 755. 

 in Florida, Fla., 455, 548. 

 in France, 49, 59. 

 in India, 354, 455. 

 in Michigan, Mich., 660. 

 in Minnesota, 57. 

 in Montana, Mont., 57. 

 in Xew Jersey, N.J., 57. 

 in New Jersey nurseries, 549. 

 in New York, 159. 

 in North Carolina, N.C., 660. 

 in Ontario, 549. 

 in Queensland, 549. 

 in Scotland, 549. 

 in Seychelles, 59. 

 in South Africa. 455, 549. 

 in South Dakota, 58. 

 in Tennessee, 754. 

 in T'ganda. 455. 

 in West Indies, 59. 

 to apples, corn, sugar cane, etc. 

 (See Apples, Corn, Sugar cane, 

 etc.) 



Ins(!cts — Continued. 



larva; and pupw, preservation, 56. 

 life and seasonal cycles as affected by 

 Climate, N.J., 58. 

 of British Guiana, treatise, 546. 

 of stored grain and flour, 456, 463, 549. 

 of stored grain as affected by hu- 

 midity, N.J., 58. 

 of wlieat flour and wheat flour sub- 

 stitutes, 162. 

 on imported nursery stock, 251. 

 role in pollination, 330. 

 scale. (See Scale insects.) 

 soil-infesting, studies, N.J., 58. 

 toxic action of volatile substances on, 



456. 

 use in medicine, 661. 

 (See also specific insects.) 

 Insurance — 



agricultural, in France, 793. 

 agricultu-al, in Philippines, 793. 

 farmers' mutual, D.S.D.A., 194. 

 International — 



catalogue of chemistry, 501. 

 Research Council, 399. 

 Intestinal — 



coccidium of the rabbit, new, 784. 

 invagination in sheep, 873. 

 parasites, remedies, 286, 480, 782. 

 (See also specific parasites.) 

 Intestines, H-ion concentration of ileum, 



765. 

 Intussusception in sheep, 873. 

 Inulin, behavior in the animal body, 12, 



764. 

 lodid, determination in mineral watw* and 



brines, 12. 

 lodin — 



behavior and reactions in chronic in- 

 fections, 781. 

 compound of thyroid, isolation, 409. 

 rOle in nutrition of maize, 820. 

 Iodized chloroform in war surgery, 83. 

 lodometric studies, 504. 

 lodotannic test, red, studies, 207. 

 Iowa — 



College, notes, 300, 398, 496, 700. 

 Station, notes, 398, 700. 

 Station, report, 299. 

 Ips — 



longidens. notes, 758. 

 .spp. in Sweden, notes, 455. 

 Iris- 

 leaf miner in New Jersey, 549. 

 poisoning of calves, 782. 

 root borer, notes, Conn. State, 159. 

 Iron — 



determination, 711. 

 salts as soil amendments, 326. 

 sulphate sprays, fertilizing value. Ha- 

 waii, 138, 148. 

 use in nutrient solutions, 430. 

 Ironbarks of New South Wales, 744. 

 Irrigable land in United States, U.S.D.A., 

 693. 



