1917] 



INDEX OF SUBJECTS. 



985 



Trees— Continued. Page. 



for eastern WashinRton, Wash 146 



for Idaho, Idaho 244 



for northern ^^mnesota, Minn 241 



for Rhodesia "46 



forest, cryptogamic diseases of 53 



forest, root growi;h 27 



gas injury "26 



hail injury 2.50 



hardwood, growth data 651 



insects affecting 459, 760 



light and soil requirements 244 



ofeastem United States 746 



of Georgia 650 



of Indiana 44 



of Newark, New Jersey 346 



of United States, treatise 346 



ornamental, for windbreaks, Ohio 147 



ornamental, of Hawaii 546 



ornamental, treatise 44 



penetration by solutions 327 



planting in Texas 452 



street and park, for Wisconsin 145 



toxic atrophy > 147 



Trefoil, pollination experiments 735 



Trematode larva encysted in a crab 55S 



Trembles. (See Milk sickness.) 



Trisenodes bicolor, notes S47 



TriboUum castancum, studies 356 



Trichina, encysted forms, in polar bear 483 



TrichineUa spiralis — 



as affected by radium 578 



life history 578 



Trichinosis, immunization 7S4 



Trichogramma — 



evanescens, embryonic development 853 



minuta, studies 460, 569 



Trichomonas pullorum, notes 785 



Trich omoniasis — 



in chicks 781 



intestinal l'S3 



Trichuris — 



crenala, notes, Guam 779 



ovis in Philippines 277 



Trioza alacris, notes 157, 849 



Trombidium akamushi. {See Leplolrombidium 



akamushi.) 

 Truck crops — 



industry in United States, U.S.D.A 543 



insects affecting 157, 459 



insects affecting, Fla 356 



rrj^pano.so77!afi'an.s/, transmission by insects. 180 



Trypanosome anaphylatoxin, studies 578 



Trypanosomiasis, transmission by flies 879 



Tryptophan , role in purin metabolism 265 



Tsutsugamushi disease , carrier S58 



Tuber tonic, fungicidal value, Nebr 447 



Tubercle bacilli- 

 determination in sputum ISO 



enzymsof 275 



growth as affected by anilin dj^^ 481 



in butter 481 



in certified milk 881 



in feces of dairy cattle 879 



longevity in milk 378 



staining with carbol fuchsin 180 



vitality outside the body , 782 



Tubercles, root. (S« Root tubercles.) Page. 



Tuberculosis- 

 bovine and porcine, virulence of appa- 

 rently sound tissue in 583 



bo\-ine, diagnosis 80 



bovine , eradication 379 



bovine, in children 782 



bovine, in Hawaii 374 



bovine, in horses 378 



bo\'ine , in man 879 



chemotherapy 379 



controlin Michigan 274 



control in Oregon 374 



control in Pennsylvania 577 



delayed or latent infection 378 



diagnosis, complement-fixation test 180,481 



human and bovine, relationship 80,181 



human bone and joint 181 



immunization 880 



in camels 690 



in carnivorous animals 880 



in goats 481 



in horses 880 



in swine 82 



in United States 274 



infection through expired air 378 



notes 477, 879 



notes, Ind 378 



ofcervical and axillary glands 378 



treatment 275, 880 



Tuberculous infection, immune reaction to. . 275 



Tubers- 

 edible. (See Root crops.) 



sampling device for 711 



Tulip poplar, characteristics and value, Ohio. 147 



Tulips- 

 classification 836 



culture experiments 836 



Turf- 

 as bedding for cattle and horses 723 



for golf courses, treatise 146 



Turkey industry in United States, U.S.D.A . . 573 



Turkeys, raising and marketing, U.S.D.A ... 573 



Turnip — 



aphis, notes, Conn. State 254 



leaf spot, studies, U.S.D.A 753 



seeds in Denmark 742 



Turnips— 



as a catch crop after wheat 136 



culture experiments 733 



for cattle 866 



subsoihng experiments 732 



varieties, Minn 22S 



Twig girdler, notes, Fla tCO 



Tylcnchus — 



dipsaci, notes 246 



tritici in wheat heads 840 



Tylidfe, erection 846 



Typhoid- 

 fever, transmission by house flies S54 



fly. {See House fly.) 

 vaccine, effect on tuberculous guinea 



pigs 481 



Typhus fever organism in lice 851 



Tyrosinase action, studies 110 



Udo, culture experiments, Guam 742 



Ultramicroscope, description , 711 



