SUBJECT INDEX 



315 



Inulase— 



formation in Aspergillus uiger, (40) 518. 

 in tobacco plant, (31) 204. 

 of Aspergillus niger, activity, (37) 203. 

 Inulin— 



behavior toward hydrolizing agents, (31) 314. 

 in chicory root, (38) 502; (40) 325, 727. 

 metabolism in chicory, (28) 821; (30) 432. 

 metabolism iu plants, (34) 427. 

 saccharifieation by ultraviolet rays, (26) 802. 

 studies, (39) 202, 524, 732. 

 utilization by yeasts, (31) 224. 

 utilization in diet cures, (30) 464. 

 Inulo-coagulase, notes, (36) 127. 

 Invalids, goat's milk for, (32) 873. 

 Invert activity, determination, (40) 12. 

 Invertase— 



absorption of hydrogen chlorid by, (31) 806. 



action, kinetics of, (31) 108. 



activity, influence of certain substances on, 



(34) 803. 

 adsorption, (35) 313. 

 as aSected by sodium chlorid, (34) 408. 

 as affected by ultraviolet rays, (26) 203. 

 distribution in beets, (34) 524. 

 formation and regulation by mold fungi, (31) 



730. 

 formation in yeast, (23) 202, 408. 

 from yeast, hydrolyzing properties, (32) 803. 

 hydrolysis of sucrose by, (30) 811. 

 in alfalfa, (32) 411. 



Aspergillus niger, notes, (28) 727. 

 cane sugar, (36) 802. 

 potato leaves, (35) 334. 

 tobacco plant, (31) 204. 

 investigations, (31) 410. 

 occurrence in honey, (26) 710. 

 role of viscosity in action of, (26) 505. 

 temperature coefficients of decomposition, (26) 

 407, 504. 

 Invertebrates- 

 physiology of, treatise, (31) 154. 

 transmission of diseases by, (30) 249. 

 lodates, determination, (34) 712. 

 lodids, effect on caseiflcation of milk, (28) 609. 

 lodimetry, use of arsenious oxid in, (40) 609. 

 lodin— 



action on hvpophosphorous and phosphorous 



acids, (40) 409. 

 and iodin preparations, (39) 387. 

 chlorid, antiseptic value, (40) 779. 

 compounds, relation to bacteria, yeast, and 



mold fungi, (29) 133. 

 compounds, use against spirochetosis in fowls, 



(29) 484. 

 determination, (27) 497. 

 determination in — 



organic matter, (32) 505; (35) 11; (36) 561. 

 presence of chlorids, (35) 803. 

 presence of organic matter, (34) 504. 

 water, (29) 797. 

 effect on— 



corn, (33) 522. 

 hemp, (33) 432. 



saccharifieation of starch, (28) 609. 

 the circulation, (40) 274. 

 lor breeding sows, (40) 185. 

 for hairlessness in pigs, (39) 187. 

 for prevention of goiter, (39) 187. 

 in foods, (35) 555, 761; (36) 561. 

 oil, germicidal power, (40) 882. 

 thjToid gland, (34) 580. 

 tuberculous tissue, (33) 283; (34) 580. 

 manufacture from seaweed, (27) 724. 

 titrations, source of error in, (34) 805. 

 toxic effect on plants, (38) 629. 

 toxicity, (39) 586. 

 use against hemorrhagic septicemia in cattle, 



(31) 780. 

 use in absorption of tuberculous and other tis- 

 sues, (33) 677. 

 vapor, larvicidal value, (34) 359. 

 lodipin, nature and use, (26) 580. 

 lodoantipjTin, periodids of, (36) 313. 

 Iodoform — 



I antiseptic and germicidal value, (37) 176. 

 f ' detection in ethyl alcohol, (29) 312. 

 '^ insecticidal and larvicidal value, (34) 359. 

 lodotannic reagent, (40) 610. 

 lole. new. description .(40) 351. 



Ionization in war wounds, (40) 779. 

 Ions- 

 absorption by living and dead roots, (34) 334. 

 absorption by plants, (33) 521. 

 antagonistic activity, (28) 730. 

 diffusion and localization in plants, (31) 325. 

 effect on o-xidative processas in the body, (33) 69. 

 Iowa — 



Bee Keepers' Association, proceedings, (32) 852, 

 College, notes, (26) 194, 395, 694; (27) 197, 600, 



697, 799; (28) 396, 696; (29) 97, 600, 698; (30) 796: 



(31) 99, 397, 49C, 796; (32) 396, 694, 900; (33) 99 



(34) 96, 396, 495; (35) 96, 300, 500, 900; (36) 499; 



(37) 196, 299, 600; (38) 198, 699; (39) 95, 695: 



(40) 696, 900. 

 Highway Commission, organization, (31) 890. 

 State colleges, closer union, (28) 792. 

 State Dairy Association, (30) 377. 

 State Drainage Association, proceedings, (33) 



392. 

 Station, notes, (26) 494; (27) 197, 600; (28) 696; 



(29) 97, 600, 098; (30) 796; (31) 397; (32) 396, 694; 



(33) 99; (34) 96; (35) 900; (36) 499, 694; (37) 299, 



497; (38) 198; (39) 95, 695; (40) 900. 

 Station, report, (3,5) 696; (37) 95; (40) 397. 

 Ipecac alkaloids, protozoocidal and bactericidal 



action, (38) 180. 

 Iphiaulax clypeolus n. sp., description, (26) 352 

 Ipidae — 



Canadian, economic importance, (31) 848. 

 injurious to tropical plants, (30) 600. 

 key, (39) 65. 

 Ipcbracon— 



grenadensis, notes, (40) 554. 

 saccharalis n.sp., description, (40) 554. 

 Ipomoea — 



albivenia, fiber from, (39) 442. 



batatas, analyses, (31) 803. 



leari, leaf heteromorphy in, (34) 626. 



pes-caprae, leaf development of, (30) 522. 



purpurae, heredity in, (38) 750. 



reptans as affected by seasonal humidity, (31) 



221. 

 Ips — 



n.spp., descriptions, (35) 856. 

 pini, notes, (30) 657. 

 pini, studies, (36) 554. 



(Tomicus) radiatae n.sp., description, (34) 361. 

 typographus killing healthy fir trees, (37) 465. 

 Irbisia brachycerus, notes, (29) 454. 

 Iridomyrmex humilis, see Ants, Argentine. 

 . Iris — 



borer, notes, (28) 157; (34) 752; (35) 54. 

 breeding, (36) 142. 

 culture in Alaska, (29) 743. 

 flowers, abnormalities, (37) 130. 

 flowers, o.xidases in, (3.'J) 130. 

 flowers, variation in, (35) 329. 

 germanica, chondriosomes of, (34) 524. 

 germanica, epidermal cells, (39) 528, 734. 

 germanica, oxidase in, (31) 626. 

 leaf blotch, studies, (34) 354. 

 leaf spot, studies, (30) 349. 

 palhda bacteriosis, studies, (26) 751. 

 pseudacorus, carotinoid content, (31) 803. 

 rot, notes, (40) 844. 

 Irises, treatise, (26) 841; (28) 743. 

 Irish- 

 Agricultural Organization Society, report, (33) 



593. 

 Milk Commission, report, (.30) 679. 

 Iron— see also Ferric and Ferrous, 

 agricultural study, (40) 726. 

 and aluminum, separation, (33) 313. 

 and manganese, antagonism between, (33) 30. 

 and manganese, antagonistic action on wheat 



(36) 731. 

 arsenate, insecticidal value, (34) 60. 

 as antidote for cotton-seed meiJ poisoning, (29) 



477; (34) 79; (38) 282, 370. 

 as growth stimulant for hemp, (33) 432. 

 assimilation by- 

 plants, (36) 633. 

 rice, (36) 431; (38) 728. 

 behavior during meat digestion, (2S) 66,). 

 chlorid, effect on activity of malt diastase, (29) 



528. 

 colloidal, assimilation by rice, (32) 427. 

 compounds, inorganic, iu chloroplasts of plants, 



(33) 627. 



