958 



EXPERIMENT STATION RECORD. 



Page. 



Hay, wild, cost of raising, Nebr 690 



{See also Alfalfa, Clover, and Timothy.) 



Hazelnuts, analyses 272 



Headache tablets, misbranding, U.S.D.A 669 



Health olTicers, duties of 81 



Heat, effect on weight of seeds 135 



{See also Temperature.) 



HelianthitS annuus, analyses 272 



chemotropism of roots. . . 632 



origin of chloroplasts in. . 524 

 Heliophila albilinea. {See Army worm, wheat- 

 head.) 

 unipuncta. {See Army worm.) 

 Heliothis obsoleta. {See Cotton bollworm.) 



Heliothrips rubrocinctus, notes 852 



Hawaii 358 



Helleborus, occurrence of alkaloids in 202 



Helminthosporium arbuscula, notes 754 



spp.,studies, N. Dak.... 649,650 



Hemagglutinins, studies 180 



Hematology, treatise 83 



Hematuria, endemic, in cattle 378,886 



H emerocampa leucostigma. {See Tussock 



moth, white-marked.) 



Hemlocks, metabolism and translocation in . . 27 



Hemoglobinuria in cattle, immunization 684 



test for 584 



horses, Mich 85 



Hemolysins, occurrence in fungi 780 



of blood serum, treatise 180 



Hemolytic ambocep tors, notes 284 



serums as aflected by reacting sub- 

 stances 180 



Hemopyrrole and chlorophyllpyrrole, iden- 

 tity 201 



Hemorrhagic septicemia. {See Septicemia.) 

 Hemp by-products, use in paper making, 



U.S.D.A 507 



cake, analyses 272 



culture experiments, Utah 31 



fertilizer experiments 630 



microscopical examination 235 



seed, analyses 272 



sisal, culture in Fiji 639 



Hens, breeding for egg production 476 



eggs, transformation in fats of 77 



feeding experiments, Can 579 



Hentriacontane, occurrence in soils, U.S.D.A. 723 



Hepatic cirrhosis of cattle, cause 784 



distomiasis, occurrence in man 284 



Herbarium, additions, N.Dak 650 



Heredity — 



bibliography 172,771 



correlation and contingency tables 771 



coemcients in 172, 173,573 



errors in theories 868 



genotype conception of 170 



in com 638 



Conn. State 736 



Nebr 834 



foxgloves 228 



horses 79 



mice 574 



CEnothera spp 524 



Onagra biennis 129 



pigeons 870 



Page. 

 Heredity— Continued. 



in plants 635, 672 



poultry 473, 578 



Primula sinensis 328 



sheep, N.H 373 



Silene noctiflora 228 



silky fowls 869 



sweet peas 30 



tomato leaves, N.J 828 



induced, in plants 327 



investigations in North America 870 



Mendel's work In 172 



notes 371 



nucleus and cytoplasm in 276 



of acquired characters 171,771 



color in beans 537 



petimias 542 



complex growth forms 869 



pigmentation in CEnothera 327 



quantity and quality in cows' milk ... 80 



sex, studies 172,773 



pure Une theory 78, 472 



relation to chondriosomes 472 



chromosomes 868 



genn-cell determinants 574 



mitochondria 868 



studies 79, 870 



treaties 525, 573, 771 



Hermaphrodites, sexual organs of 474 



Hermaphroditism, sex chromosomes in 573 



Herodias egretta, distribution, U.S.D.A 851 



Herons, white, distribution, U.S.D.A 851 



Herpetomonas, definition 586 



Hesperocnide sandwichensis, destruction, 



Hawaii 37 



Heterakis spp., parasitic on chickens 59 



Heterocampa guttavitta, notes. Me 555 



N.H 357 



Heteroceridje, catalogue 158 



Heterocordtjlus malinus, studies, N.Y.Comell. 255 



Helerodera radicicola, notes 353 



Heteromys spp., revision, U.S.D.A 850 



Heterospilus mordcllistenz n.g. and n.sp., 



description 857 



Heterosporium variabile, investigations, Va. . . 846 

 Hevea brasiliensis. {See Rubber, Para.) 



Hevea diseases, description and treatment. . . 46 

 Tlibiscus spp., hybridization experiments, 



N.J 445 



Hickories, culture in Texas 841 



Hickory-bark beetle, notes, N.J 460 



borer, painted, notes, U.S.D.A 558 



twig-girdler, notes, U.S.D.A 559 



studies and bibliog- 

 raphy, Okla 559 



Hides, goat, disinfection 684 



production in Peru 276 



Highways. {See Roads.) 



Hippodamia convergens , notes, N.Y.Cornell . . 659 



Nebr 852 



Histeridse, catalogue 159 



Histidin, occurrence in soils, U.S.D.A 723 



Hitchcock berry J destruction, Hawaii 37 



Hog cholera, causative agent 486 



immunization 486, 589 



Ark 291 



