658 



Journal of Agricultural Research 



Vol. XIII 



Gossypium spp. — Page 



chemistry 3-4. 5-35 = .419-434 



distribution of glucosids and products of 



hydrolysis in 345-349 



histology 419-434 



internal glands of — 



biological significance 430-431 



development 421 



distribution 419-420 



presence 431-432 



secretions 422-430 



isolation of ethereal oil from 349-351 



nectaries in 423-434 



Gossypol, relationship to quercetin and its 



glucosids 429-430 



Graham, S. A. and Moore, \V. (paper): 

 Physical Properties Governing the Effi- 

 cacy of Contact Insecticides 323-53S 



Grass, saw. See Cladiumejff'usum. 

 Grotindrot, syn. pox. 



Hisbisceae, internal glands, presence 432-433 



Hog, basal katabolism of 52-54 



See also Pig. 

 Holland, E. B., Reed, J. C, and Buckley, 



J. P., Jr. (paper): Stability of Olive Oil. . 353-366 

 Hordeum spp. — 

 density of cell sap in relation to winter 



hardiness 498-503 



effect of boron on 433-455 



eSect of calcium borate on 455-456 



Horse, basal katabolism of 52-54 



House fly. See Musca domeslica. 

 Humidity, effect on development of intum- 

 escences of plants 256-237 



Humus, effect of organic manures upon 



supply of in soil 191-193, 196-197 



Hutchinson, R. H. (paper): Overwintering 



of the House Fly 149-170 



Hydraticn Capacity of Gluten from "Strong" 



and "Weak" Flours (paper) 389-41S 



Hydrochloric acid. See Acid, hydrochloric. 

 Hypostena variabilis, parasite of Laspeyresia 



molesta "0-71 



Idaho, soil fungi in, relation to diseases of 



Solanum iubeposum 73-100 



Influence of Temperature and Precipitation 



on the Blackleg of Potato (paper) 507-513 



Ingenhouzia spp., presence of internal glands 



in 432-433 



Inoculation Experiments with Species of 



Coccomyces from Stone Fruits (paper). . . 539-569 

 Inorganic Composition of a Peat and of the 

 Plant From Which It Was Formed 



(paper) 605-609 



Insecticide — 

 contact, physical properties governing the 



efficacy of 523-538 



penetration into tissues 530-534 



relation between spreading and capillar- 

 ity of 525-326 



viscosity and volatity relation to penetra- 

 tion of tracheae 528-329 



wetting and spreading of 523-523 



Intumescences, with a Note on Mechanical 

 Injury as a Cause of Their Development 

 (paper) 253-260 



Page 

 Investigations Concerning the Sources and 

 Channels of Infection in Hog Cholera 



(paper) 101-131 



Ipomoea batatas, pox of — 



association of Actinomyces spp. with 445-557 



control 447-448 



dissemination 442-443 



economic importance 439 



pox of, geographic distribution 43S 



nomenclature 438 



relation to storage 443 



symptoms 439-440 



Irrigation water, capacities of soils for 1-36 



Israelsen, O. W. (paper): Studies on Capaci- 

 ties of Soils for Irrigation Water, and on a 

 New Method of Determining Volume 



Weight 1-36 



Isoquercitrin, isolation from Gossyptum 



spp 346-34*' 



Japanese gipsy-moth disease. See Gipsy- 

 moth disease, Japanese. 

 Jones, F. R. (paper): Yellow-Leafblotch of 

 Alfalfa Caused by the Fungas Pyrenopeziza 



medicaginis 307-330 



Kale. See Brassica oleracea acephala. 



Kalmia latifoha, leafblight of 199-212 



Kansas, lettuce disease 372-373.3."?o-387 



Kaolin, effect on infectivity of mosaic 



virus 635-636 



Katabolism, basal — 



of cattle 43-50 



of hog 52-54 



of horse 52-54 



of man 50-52 



Keitt, G. W. (paper): Inoculation Experi- 

 ments with Species of Coccomyces from 



Stone Fruits 539-565 



Kelser, R. A. and Berg, W. N. (paper): 

 Destruction of Tetanus Antitoxin by Chem- 

 ical Agents 471-494 



Lactic acid. See Acid, lactic. 

 Laciuca sativa — 

 anthracnose of — 



control 277-279 



distribution 264 



economic importance 264 



etiology 265-266 



symptoms 264-265 



host plant of — 



Bacterium marginale 386-387 



Bacterium viridilividum >. 371 



Bacterium vitians 379 



Laspeyresia — 

 molesta — 



control 71 



distribution S9-6o 



enemies 70-71 



food plants of 60 



habits 65-69 



hibernation 70 



injury by 60-64 



life history 65-69 



parasites 70-71 



rcsemblence to Anarsia lineatella 64-65 



resemblence to Laspeyresia pomonella .... 64 



