Jan, 5-Mar. 29, 1924 
Index 
973 
Page 
Uric add, effect on determination of lac¬ 
tose. 599-603 
Vrocystis — 
spp., spore germination morphology.479-480 
tritici — 
cause of dag smut of wheat, study.425-450 
development and relation to its host... 453~47o. 
479-484 
parasitism, studies...451-490 
spore germination stimulation.458-466 
Utah— 
Stansbury Mountains, typical vegeta¬ 
tion. 896-898 
Tooele Valley, indicator plants, tissue 
fluids, composition, etc. 893-924 
Utilization of lactose by the Chicken, The: 
T. S. Hamilton and L. E. Card. 597-604 
Valentine, A. T., Harris, J. Arthur— 
Gortner, R. A., Hoffman, W. F., and Law¬ 
rence, J. V.: The Osmotic Concentration, 
etc., #f Tissue Fluids of the Indicator 
Plants of Tooele Valley, Utah. 893-924 
Lawrence, Zonja Wallen, Hoffman, W. F., 
& and Lawrence, John V.: The Tissue 
Fluids of Egyptian and Upland Cottons 
and their F,i hybrids. 267-328 
Vapors, effect on lemon coloration. 767 
Vegetation, types in Utah, Tooele Valley, 
physicochemical characters. 895-918 
Viala and Pacottet, cultures of Roesleria 
hypogaea, comparisons. 611,612-613 
Vitamins, assodated with manganese.417-424 
Water— 
holding capadty of soils and subsoils. 618-624 
irrigation— 
comparison with underground waters.. 678-683 
penetration, rate and measurement.... 626-631 
percolation rate and factors influendng. 631-63 5 
reacting value of constituents... 647 
movement in irrigated soils. 617-693 
relations in plants, effects of photoperiod- 
ism. 121-122 
requirement of rust-infected wheat. 107-118 
soil- 
availability, relation to type of soil. 624-626 
conditions, relation to irrigation.624-626 
definitions. 624 
Tooele Valley, Utah, physicochemical con¬ 
stants . 913 
underground— 
accumulation and movement. 668-678 
comparison with irrigation waters.678-683 
composition, statement. 644-648 
Weevil, bean, cold storage, insectiddal ef-’ 
feet. 99*105 
Weiss, Freeman: The Effect of Rust Infection 
upon the Water Requirement of Wheat.. 107-118 
Weston, William H. w jr.: Nocturnal Produc¬ 
tion of Conidia by Sclerospora grammkola . 771-784 
Page 
Wheat— 
acidity changes during growth, relation to 
stem-rust resistance. 7*5-735 
blooming, meteorological relations. 240-242 
disease resistance, relation to acidity. 731-734 
flag smut, and its causal fungus Urocystis 
tritici , studies. 425-450 
flower, blooming process, time, period, 
etc. 231-244 
growth, addity changes. 726-731 
infection by flag smut . 435“447>47o~479 
injury by nematode disease. 928-932 
leaf hairs, relation to stem-rust infection.. 384-385 
manganese in. 419 
nematode disease, symptoms, galls, control 936-953 
resistance to stem rust. 381-412 
rust infection, effect on water require¬ 
ment. 107-118 
sap, physicochemical properties, relation to 
rust resistance. 401-404 
Wheat Scab and Com Rootrot Caused by Gib¬ 
ber ell a saubinetii in Relation to Crop Succes¬ 
sions: Benjamin Koehler, James G. Dick¬ 
son, and James R. Holbert. 861-880 
Wheat— 
seedlings— 
growing in acid solutions, changes in 
addity..-. 210-216 
stem, morphology, relation to rust resist¬ 
ance. 390-394>404-406 
rust- 
relation to fertilizers. 341-380 
resistance, relation to addity changes 
during growth. 7*5*735 
stomata, number, size, and movement... 385-388 
varieties— 
acidity at different stages of growth.... 73**734 
sap, physicochemical properties, com¬ 
parisons. 401-403 
stem-rust infection, effect of fertilizers.. 350-373 
structure, comparisons. 390-394 
testing for resistance to flag smut...... 445-447 
water requirements, reports of investiga¬ 
tors. xi 4 
Wherry. Edgar T., and Davidson, Jehiel: 
Changes in Hydrogen-Ion Concentration 
Produced by Growing Seedlings in Add 
Solution. 207-217 
Whittier Citrus Association, aid in lemon 
coloration studies. 768 
Winesap apples, respiration in storage at dif¬ 
ferent temperatures. 26-30 
Wood meal, processed, feed value. 250,251 
Worms, pig, control studies. 167-175 
York Imperial apples, respiration in storage 
at different temperatures. a8 
Yule's, coefficient of association, method of 
measuring linkage values. 884 
Zizania aquatica, composition, analyses, nu¬ 
tritive properties.. 219-224 
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