INDEX OF SUBJECTS. 



861 



Hxmaphysalis— Page 



punctata, structure of spiracles in 25G 



transinissioti of Texas fever by. tiSO 



spp. , host relations 562 



Hxmatobia scrrata. (Sic Horn fiy.) 



spp., studies 7C4 



Haematobia, transmission of surra by 582 



Haematopinus of sheep 279 



Hxmatopinus spinulo.suK, transmission of 



Trypano.wma trwisi by 255 



Hicniatoporpliyrin, photodynamic work of.. 227 



IliPniatopota, transmission of surra by 581 



Hiemoflagellates, notes and bibliography 793 



Hsemonchus contortus, notes 181 



S.C 181 



[Slrongylus] contortus, notes 789 



Hail, effect on plants 50 



formation, studies, U.S.D.A 113 



insurance in the Province of .Vlberta. . . 114 



Halibut muscle, hydrolysis 210 



HaVmdota cnryie, notes, Can 350 



Haller's organ, structure of, in Ixodoidea 256 



Halogen salts , effect on nitrate determ ination. 409 



Halphen's reaction, modification 708 



Halteridium , nuclear dimorphism in 286 



Haltica chnlyftea. (Sec Grape flea-beetle.) 



Hansen, E . C . , biographical sketch 600 



Hardwoods, culture 241 



Harlequin cabbage bug, studies 348 



Harrow, cylindrical, description 490 



disengaging apparatus, description. . 490 



Harvester, description 490 



Hawaii Federal Station, notes 95 



Hay, analyses, Ky 367 



composition 230 



as affected by fertilizers ... 621 



harvesting. . 231 



efleetonmilk 621 



cost of production, U.S.D.A 188 



crops, culture, N.Dak 535 



fertilizer experiments 529 



destruction, by mice, U.S.D.A 55 



digestibility 274 



drying apparatus, description 380 



for cows, N.H 778 



harvesting experiments 231 



Japan clover, for live stock, La 569 



marketing in England 688 



mineral constituents 312 



pea vine, analyses, U.S.D.A 278 



production in South Dakota, U.S.D.A. 289 



red-clover, phosphoric acid in 623 



rye, yield under dry farming, Wyo 131 



studies. U.S.D.A 536 



sweet clover, analyses, Iowa 330 



vetch, for cows, U.S.D.A 295 



wild-grass, analyses, Fla 307 



{See also Alfalfa, Clover, and Timothy.) 



Hazel leaves, chlorin content 30 



nuts, fat and nitrogen content, studies. 414 



Health, public, relation to veterinary science . 482 



Heat, eflect on enzyms and antienzyms 701 



milk 574,780 



toxicity of proteins. . ; 681 



relation to sun-spots 15 



(See also Temperature.) 



Heath hens in Massachusetts 450 



Page. 



Heating appliances in rural homes 188 



Heel fly, notes loo 



Helcnsoma Iropicum, notes 488 



Helianthus, grafting e.xperiments 31 



tubers, manufacture of alcohol 



from 480 



Helianthus sp. as affected by iron sulphate, 



S.Dak 430 



Helianti, analyses 471 



Heliophila albilinea. (See Army worm, 

 wheat-head.) 

 unipuncta. (See Army worm.) 



Heliothis armiger, notes 648 



obsoleta. (See Cotton bollworm.) 

 Heliothrips hxmorrhoidalis. (See Greenhouse 

 thrips.) 



Hellriegel's culture solution, tests 621 



Helminthes, descriptions 686 



Ilelopeltia sji., notes 648 



Helops lanipes, remedies 159 



Hematoxicsubstances, secretion by larvae 686 



Hematozoa, notes 78 



Hemerocampa leucostigma. (See Tussock 



moth, white-marked.) 



Hemicellulose, digestibility and bibliography 265 

 Hemichionaspis axpidistra;. (Sec Fern scale.) 



Hemileia vastatrix, notes 150 



resistance of Coffea congen- 



sis to 150 



Hemileuca maia. (See Buck moth.) 

 Hemiptera — 



aquatic and semiaquatic, catalogue 556 



new genus and species, descriptions .556 



of Florida, studies 556 



Hemlock, factors affecting development 443 



poisoning of pigs by 284 



Hemogregarina lacertse, development 286 



Hemogregarines in snakes, notes 184, 686 



Hemoprotozoa, avian, life history 286 



Hemorrhagic septicemia. (SeeSepticemia.) 



spotting of liver in animals 179 



Hemp, as aflected by iron sulphate, Iowa 737 



breeding, paper on 136 



cost of production, U.S.D.A 188 



culture in Trinidad 37 



fertilizer experiments 121 



growth as affected by soil tempera- 

 ture ' 20 



Manila, varieties 632 



seed, analyses 425 



cake, analyses 068 



sunn, culture e.xperiments 425 



value and use 536 



Henderson area, Tex. , soil survey, U.S.D.A . . 618 



County soil survey, U.S.D.A 618 



Hendersonia phicola, treatment 54 



Henf, anastomosis of oviduct In 269 



for hatching chickens, U.S. D..V 93 



laying and nonlaying, selection 673 



Hcpatozoon pcrniciosum n. g. and u. sp., notes 84 



Heredity, ancestral contributions in 771 



in Paramecia 469, 470 



plant cells, studies 28 



poultry 572 



Me 373 



rabbits, studies 772 



