1918] 



INDEX OF SUBJECTS. 



957 



Home economics — Continued. Page, 



instruction in elementary schools 897 



instruction in Georgia 296 



instruction in Massachusetts 396 



instruction in Philippine schools 300 



instruction in rural schools 697 



instruction in universities and 



colleges 394 



work of States Relations Service 898 



Hominy feed — 



analyses 369 



analyses, Mass 665 



analyses, Mich 368 



analyses, N.H 369 



analyses, N.Y. State 67 



analyses, Tex 369 



composition and digestibility, 



U.S.D.A. 68 



energy value, U.S.D.A 68 



Homceonychia rapw n.s-p., description. 767 



Homoptera — 



of Formosa 361 



of Hawaii 557 



Honey — 



methods of analysis 315 



production in United States, 



1918 program, U.S.D.A 865 



Honeybees. (See Bees.) 



Honge tree leaves and oil cake, fer- 

 tilizing value 220 



Hop — 



mildew, resistance to fungicides- 450 

 redbug, life history and reme- 

 dies 559 



Hops, arsenic in, U.S.D.A 9 



Horco-molle tree, oil from 714 



Horn fly, repellents for 358 



Horse — 



and mule as twins 574 



and zebra hybrids, skull char- 

 acters 65 



beans, culture for winter for- 

 age, Cal 735 



botflies, investigations 83 



chestnut Phyllosticta disease — 545 



chestnuts, analyses 410 



diseases, control during war 287 



diseases, relation to phosphate 



depletion of soil 118 



diseases, treatise 781 



lice, biology and remedies 184 



mange, treatment 82 



manure, analyses. Pa 23 



saliva, amyloclastic activity 180 



spermatozoa, longevity outside 



the body 170 



Horsegram as a green manure 220 



Horsepox, studies 586 



Horses — 



breaking 775 



breeding, care, and management. 274 



breeding in Great Britain 71 



cost of keeping 790 



cost of keeping. Mo 693 



cost of raising and keeping, Can_ 675 



draft, fattening for market, Pa. 71 



Horses — Continued. Page. 



draft, selection, Mont. 275 



feeding, Kans 576 



feeding, Mont 169 



feeding experiments, Kans 676 



feeding experiments. Mo 676 



Immunization against forage 



poisoning, Ky 383, 384 



In Scotland, Russia, and New 



Zealand 595 



oil cakes for 572 



raising in Argentina 576 



small, in modern warfare 775 



(See also Ponies.) 



Horticultural laws of California— 142 

 Hot wave in southern California, 



U.S.D.A 210 



House fly — 



notes, U.S.D.A 60 



overwintering 61, 262 



OTiposltion as affected by chem- 

 icals 563 



relation to poliomyelitis 262 



remedies 160 



studies 362 



Household — 



biology, primer 898 



pests and their treatment, Ky_ 258 



waste, analyses 626 



waste, analyses. Conn. State 625 



Housekeeping schools In Norway 794 



Humidity, effect on heat transmis- 

 sion 87 



Humin nitrogen of protein hydroly- 

 sis, origin 201 



Humogen. (See Peat, bacterized.) 

 Humus — 



effect on Azotobacter, Tenn 329 



formation 26, 27, 720 



in mulched basins, U.S.D.A 814 



relation to soil fertility 421 



Hurricane, tropical, in southeastern 



Louisiana, U.S.D.A 511 



Hurlcanes, West Indies, U.S.DA 812 



Hyalopterus pruni in Egypt 158 



Hybridization. (See Plant breeding 



and Animal breeding.) 

 Hydraulic conversion tables and 



equivalents 187 



Hydrochloric acid, effect on mineral 



excretion of dogs 570 



Hydrocyanic acid gas — 



as a soil fumigant, U.S.D.A 457 



detection 258 



effect on plants, U.S.D.A 330 



fumigation with 155, 158,458 



Hydrogen-Ion concentration — 



determination 225 



effect on germination of Gra- 



mlnp£e 24 



effect on growth of barley seed- 

 lings 736 



Hydrogenation, catalytic, in presence 



of carbon monoxid 409 



Hydrolysis, effect on nitrogen distri- 

 bution In fibrin 310 



