1917] 



INDEX OF SUBJECTS. 



983 



Page. 



Triphleps itisidiostis, relation to corn-ear rot . . 55 



Triposporium tentu n.sp., description 215 



Tripsacum and Euchlfena, hybrid between. . . 27, 2<S 



Tropseoliim, inheritance in 720 



Tropidia quadrata, notes, Me 4C0 



Truck crops— 



culture experiments, Oliio S39 



irrigation in Florida, U.S.D. A 781 



Truffles, conservation 615 



Trypanosome diseases, diagnosis 573 



Trypanosomiasis, chemotherapy 679 



( Trypcta) Myennis scuUllam, notes 657 



Trypsin, protein cleavage by 108 



Tryptophane— 



effect on nutritive value of diet 265 



in yeast protein 501 



Tubercle bacilli— 



in milk 278,573 



in sputum and other body fluids 680 



isolating from sputum 383 



mammalian, fate of in sparrows and 



chickens 81 



new culture medium for 383 



thermal death point 474, 877 



Tubercles, root. (See Root tubercles.) 

 Tuberculin test — 



avian, value 480 



combined and follow-up systems 383 



limitations 676 



notes... 378,474 



Tuberculosis- 

 antigen for complement fixation 81 



avian, diagnosis 480 



avian, immimlzation. Wis 881 



avian, notes 179 



bovine, continuoustemperaturerecordsin 82 



bovine, diagnosis, U.S.D.A 579 



bovine, notes, Cal 81 



bovine, studies 579 



chemotherapy 278,279 



controlin England 275 



diagnosis 181,278,579,676,779,881 



exjierimental epidemiology in 81 



immunlration, treatise 182 



in hogs, U.S.D.A 779 



in hogs, transmission to man 579 



in Normandy 182 



in pheasants 676 



open, diagnosis 675 



relation to buffaloes' milk 573 



Tubers, edible. (Sec Root crops.) 

 Turkeys- 

 raising 384 



raising, U.S.D.A 871 



Tomlps— 



analyses. Can 65 



culture experiments Alaska 435,436 



culture experiment ,Can 32 



fertilizer experiments 529 



fertilizer experiments, Hawaii 427 



fertilizer experiments. Wis 626 



food value, U.S.D.A 863 



Tussock moth, white-marked- 



notes, Iowa 655 



notes, Ohio. 65 



Pago. 



Twilight, studies, U.S.D.A 718 



Tychitis — 



S-punctatu3, life history and habits 860 



pkirostris, notes 456 



TylenchiLS — 



devastatrix injurious to narcissus bulbs. . . 752 



devastatrix, relatiou to clover sickness 348 



similis affecting bananas 347 



triticl, notes 348 



Typhlocyba rosx, notes 857 



Typhoid- 

 bacilli, migration in rabbits 576 



fly. (See House fly.) 



Tyrosin, necessity in the diet 265 



Tyrosinase and deaminization, studies 412 



Udder- 

 bacteria, effect on quality of milk 476 



diseases, treatment. Wash 693 



Ultrafiltration apparatus, description Ill 



Ultraviolet rays, effect on phosphoroscenf 



bacteria 526 



Uncinariasis in dogs 676 



Uncinula necator, notes 347 



United States Department of Agriculture — 



appropriations, 1917-18 401 



Bureau of Soils, activities 323 



contributions to chemical journals 600 



Forest Service, silviculture plans 143 



history 598 



notes 798 



organiiation list 794 



States Relations Service, notes 296 



Weather Bureau. (See Weather Bureau.) 



work in 1917 396 



United States Live Stock Sanitary Associa- 

 tion, report 675 



Urban population in United States 691 



Urea — 



determination in urine and blood 317 



effect on hemolytic reaction 878 



excretion, rate of 163 



nitrate, fertilizing value 134 



Uredineae — 



location of spore masses 82S 



monograph 647 



Uredo vUis, notes 641 



Uric add, effect on hemolytic reaction 878 



Uriella, notes 656 



Urinary constituents, relation todiet 162 



Urine- 

 aromatic constituents, N. Y.State 313 



calcium and magnesium content 36<S 



composition as affected by feed, 8.C 672 



hydrogen Ion concentration 365 



of dairy cows, analyses, S.C 672 



proteros, studies 608 



voliune of on constant diet 163 



Urocystls occulta, studies, Hinn 146 



Uromyces — 



junci, new secial hosts 346 



spp. on Geranium and Polygonum 647 



Uromyces, location of spore masses 82S 



Urophlyctis alfalfx, notes 643, 747 



VscanopsU carlylei n.g. and n.sp., description. 259 

 stilaginous spores, determination in flour, 



bran, and cereals 146 



