1212 
Journal of Agricultural Research 
Vol. XXXI 
Trichinae, nonviable— 
content of trichinous meat as feed for 
animals, effect... 945-947 
harmlessness ..... 947 
Trichinosis, study, review and experiments 945-947 
Trichinous Meat, Nonviable Trichinae, 
Feeding to Animals, Effects: Benjamin 
Schwartz. 945-947 
Trionymus spp., descriptions_ 494-496 
Truck crops, damage done by Sclerotinia 
libertiana Fckl. and related species dur¬ 
ing transit and storage. 597-632 
Tsuga heterophylla , undesirability_ 267 
Udders, Cows, Infection with Bacterium 
abortus, Treatment with Abortion- 
Bacterin: G. T. Creech and J. M. Buck 663-684 
Upland- 
cotton, leaf-tissue fluids, sulphate content 
of.... 653-661 
cottons. See Cotton. 
UredoSpores and Teliospores of Cronartium 
ribicola Fischer, Longevity in 1923: 
Perley Spaulding and Annie Rathbun- 
Gravatt. 901-916 
Urocystis cepulae — 
relation to other species on allium. 283-285 
Susceptibility of Onion Varieties and of 
Allium Species: P. J. Anderson_ 373-386 
Uspulun, use in treatment of corn seedlings 
for Mizopus nigricans ... 1151 
Vacuum, Use for Insect Control: E. A. 
Back and R. T. Cotton. 1035-1041 
Varietal tests. See Bean. 
Vegetable drop. See Vegetables, decay. 
Vegetables, Decay Caused by Sclerotinia 
under Transit and Market Conditions: 
G. B. Ramsey.-.. 597-632 
Velvet Bean, Content of Water-soluble 
Vitamin: W. D. Salmon and Emerson 
R. Miller__ 793-799 
Verbesina encelioides (Cav.) B. and H., host 
of cotton stainers_*... 1138 
Vibrator, apparatus for study of bacteria, 
description and Use. 501-506 
Vitamin— 
A— 
beef, pork, and lamb_ 201-221 
effect on growth.. $01 
Inactivation by Rancid Fat: Wilmer 
B, quantity in the velvet bean.. 793-799 
Water-soluble, Quantity in the Velvet 
Bean; W. D. Salmon and Emerson R. 
Miller. 793-799 
Vitamins A and B, effects in wheat rations. 367-373 
Walker, M. N., and Doolittle, S. P.: Fur¬ 
ther Studies on the Overwintering and 
Dissemination of Cucurbit Mosaic_ 1-58 
Walnut, temperature interior, observation. 449 
Wart, potato— 
control by salt solutions.317-318 
Disinfection of Soil for, Steam and Chem¬ 
ical: N. Rex Hunt, F. G. McDonnell, 
and Rush P. Marshall.. 301-363 
Water- 
factor in cost of potato wart control- 321 
quality for emulsions. 59 
Watering, western yellow pine, methods in 
nursery_1116-1120 
Water-soluble Vitamin Content of the Vel¬ 
vet Bean: W. D. Salmon and Emerson 
R. Miller. 793-799 
Watery soft rot- 
description_ 598-600 
spreading. 614,615 
Weather, conditions a factor in alkali toler¬ 
ance of maize seedlings.. 638-639 
Weight and Shape of Eggs in Relation to 
Their Hatching Quality: M. A. Jull 
and S. Haynes___ 685-694 
Weir, W. W.: Limitation of Student’s 
Method When Applied to Fertilizer 
Experiments_ 949-956 
Page 
Western Yellow Pine Nursery Practice, 
Studies: Donald R. Brewster and J. A. 
Larsen.. 1101-1120 
Wheat- 
age of plants in relation to susceptibility 
to Ophiobolus graminis Sacc__818-820 
frosted, germination, change with age.. 1188 
Frozen— 
and nonfrozen, differences. 1170 
and Nonfrozen, Germination, Har¬ 
vested at Various Stages of Maturity: 
tir A -- A TV_1 TT*_ 
germination tests and experiments... 1183-1188 
germination, chemical and physical 
changes_ 727-744 
Heritable Properties, Relation to Their 
Capacity to Increase Protein Content 
of Grain: W. F. Gericke..... 67-70 
histology of plants in disease caused by 
Ophiobolus graminis Sacc.... 822-824 
mineral content, effects_:- 366,374 
Nutritive Value: I.—Effect of Variation 
of Sodium in a Wheat Ration: George 
A. Olson and J. L. St. John_ 365-375 
parts of plant susceptible to Ophiobolus 
graminis Sacc.. 820-822 
Plants, Young, Influence of Soil Tem¬ 
perature and Moisture on Infection by 
Ophiobolus graminis: H. H. McKinney 
and R. J. Davis. 827-840 
Protein Content and Yield, Influence of 
Nitrate Nitrogen: Edmund Burke— 1189-1199 
ration for animals, review of study. 365-368 
seed, testing time.-.. 1188 
Seedling, Translocation of the Food Ma¬ 
terials of: L. Edwin Yocum.- 727-744 
Studies on Ophiobolus graminis Sacc. and 
the Take-all Disease of Wheat: Ray J. 
Davis.... 801-825 
Whitcomb, W. O., and Sharp, Paul Francis: 
Germination of Frozen and Nonfrozen 
Wheat Harvested at Various Stages of 
Maturity.. 1179-1188 
White fir. See Fir; Firs. 
White pine- 
blister rust, longevity of the teliospores 
and accompanying uredospores.901-916 
seed germination- 
delay, cause.-.. 899 
Methods of Stimulating (Western): J. 
A. Larsen...-- 889-899 
Wiggans. G. B.: The Influence of Certain 
Environmental and Cultural Condi¬ 
tions on Fruit-bud Formation of Pear 
and Apricot. 865-883 
Wild cucumber, relation to overwintering 
of mosaic.. 6-13 
Wilt, bacterial. See Bacterial wilt. 
Winston, John R., and Yothers, W. W.: 
Preliminary Report on Colloidal Clays 
as Emulsifiers for Mineral Oils Used in 
Spraying Citrus Groves_ 59-65 
Worden, S., and Smith, N. R.: Plate 
Counts of Soil Micororganisms... 501-517 
Wright, SeWall, and McPhee, Hugh C.: An 
Approximate Method of Calculating 
Coefficients of Inbreeding and Rela¬ 
tionship from Livestock Pedigrees_ 377-383 
Yellow pine- 
age of dominants at breast height, curves. 1127 
site classification_ 1124-1126 
Type, Pure, Yield Capacities on the East 
Slope of the Sierra Nevada Mountains 
in California: S. B. Show...—- 1121-1135 
Western, Studies in Nursery Practice: 
Donald R. Brewster and J. A. Larsen. 110l- , U20 
yield, capacity, factors of conservatism. _ 1133 
Yocum, L. Edwin: The Translocation of 
the Food Materials of the Wheat Seed¬ 
ling.. 727-744 
Yothers, W. W., and Winston, John R.: 
Preliminary Report on Colloidal Clays 
as Emulsifiers for Mineral Oils Used in 
Spraying Citrus Groves. 59-65 
O 
