856 



EXPERIMENT STATION EECORD. 



Page. 



Gypsum, effecton Oregon soils 625 



plants 630 



fertilizing value 135 



Gyrotsenia (?) argentina n.sp., description 343 



Hackberry psylla, studies and bibliography. . 355 

 Hadena devastatru. {See Glassy cutworm.) 



Hssmaphysalis punctata, occurrence in Canada 5G4 

 Hxmatobia exigua n.sp., relation to cattle 



surra 386 



Hxmatopinus spinulosus, notes 662 



Hsemin, notes 329 



Hxmogregarina canis adusti u.var., descrip- 

 tion 161 



Hzmoprotcus mansoni, notes • 685 



Hail protection appliances, studies 518 



explosive method 17 



Hailstorms, effect of cannonading on 127 



Hair grower, misbranding, U.S.D. A 567 



mixture, fertilizing value, R.I 225 



whorl, studies and bibliography 375 



Hairy root, studies and bibliography, 



U.S.D. A 2-19 



Halley's comet, passing through tail, 



U.S.D. A 312 



Halogen compounds, effect on plant growth . . 230 



HaUeridium fringiUx, notes 393 



Halterophora capitata, notes 59 



Haltica chalybea. (See Grape flea-beetle.) 



Hardwickia hinata, studies 549 



Hares, JV/jiWicfps wr/a/Zs affecting, U.S.D. A. 87 



plague infection in 556, 748 



studies in anatomy of 180 



Harness, adjustment 473 



Hawaii Federal Station, notes 800 



Hawthorns, inarching of, U.S.D. A 736 



pear bUght affecting 451 



Hay, analyses 369, 714 



Mass 268 



and fertilizing value. Pa 270 



as affected by fertiUzers 714 



molasses. Mass 268 



fertiUzer experiments. Mass 233 



W.Va 716 



production, treatise 35 



(See also Alfalfa, Clover, and Timothy.) 



Hazelnuts, fat and nitrogen content 267 



Headache powders, report on 199 



remedies, examination, 5fe 267 



tablets, misbranding, U.S.D. A. . . 171 



Health in tlie West Indies, treatise 60 



public, relation to milk 776 



regulations, framing 181 



relation to dental hygiene 68 



Heartwood , diseased, formation 651 



Heat, effect on hydrolisis of starch 511 



plants 139 



regulation in the li\nng body, studies. . . 668 

 (See also Temperature.) 



Heather, culture experiments 537 



Hedero-peroxidase, studies 122 



Hedysarum coronarium, parasitism 98 



sowng experiments. 731 



Helianfhus annuus, germination of 628 



Heliophila unipuncta. (See Army worm.) 



Heliothis armiger, notes 57, 656 



ohsoleta. (S«e Cotton boUworm.) 



Heliothrips Tubrodnctus, injurious to cocoa... 255 



Page. 



Helminthiasis and anthrax in a horse 392 



complement binding in 779 



Helminthosporium spp., parasitic on wheat. 448 



Heloderma suspcctum, parasitism 758 



Helopeltis theivora, life history 558, 559 



Hemerocampa leucostigma. (See Tussock 



moth, wliite-marked.) 

 Ilemichionaspis aspidistras. (See Fern scale.) 



Hemileia vastatrii, notes 351 



Hemiptera in Colorado 55 



of palearctic conifers, bibMography 753 



oriental, biological notes 57 



Hemiscopis cinerea, notes, Coim. State 750 



Hemoglobinui'ia in bovines, immunization . . 588 



Hemogi'egarina, notes 88 



Hemolysis as affected by extracts of A nchy- 



lostoma caninum 385 



Hemoprotozoa, avian, studies 393 



Hemorrhagic septicemia. (See Septicemia.) 



Hemp, Ambari, natural crosses of 723 



retting, studies 717 



statistics 539 



Henbane, powdered, adulteration, U.S.D. A. 764 



Hendersonia acicola, studies 652 



Henequin pulp, composition and use 528 



Hen's egg, double, description 576 



Hens, egg production in, Oreg 274 



feeding experiments, W.Va 773 



Hentriacontane in soils, U.S.D. A 301 



isolat ion from soils 524 



Herbs, culture in Ceylon 643 



termites affecting 56 



Herd's grass, analyses 769 



Hereditary characters, transmission 771 



Heredity and evolution, treatise 670 



bibliography 175 



cliromosome theory, deficiencies of . . 75 



correlation coefficient in 374 



function of chromosomes in 274 



in barley 430 



citrus fruits 737 



elm seedlings 429 



flowers 633 



Glomerella 534 



guinea pigs 375 



peas. Mass 228 



plants 032 



and animals 397 



potatoes 429 



poultry 375, 474, 773 



rabbits 771 



silkworms 58 



vegetables, studies 28 



wheat, Nebr 146 



yellow mice 475 



meaning of chance in 275 



Mendelian, investigations 228 



theory 374 



mutation tlieory of de Vries 27 



notes 575 



of cancer in mice 576 



coat color in horses 179, 772 



sex, experimental studies 475 



witches' broom 453 



review of literature 274 



studies 574 



treatise and bibliography 374, 771 



