1202 
Journal of Agricultural Research 
Vol. XXXI 
Page 
Bixby, F. L.: Tests of Deep-well Turbine 
Pumps_ 227-246 
Blight- 
bacterial. See Bacterial blight, 
early, of celery, effect on nitrogen con¬ 
stituents of plant_ 289-291 
Blister rust, white pine, longevity of the 
teliospores and accompanying ure- 
dospores-901-916 
See also Rust. 
Bordeaux paste, ineffective against crown 
gall_ 969,970 
Braman, W. W.— 
Cochrane, Donald C., and Fries, J. 
August: The Maintenance Require¬ 
ment of Dry Cows_ 1055-1082 
Forbes, E. B., and Fries, J. August: Net 
Energy Values of Alfalfa Hay and 
Alfalfa Meal_ 987-995 
Breeding- 
hemp, experiments_ 937-939 
livestock-- 377-383 
Brewster, Donald R., and Larsen, J. A.: 
Girdling as a Means of Removing Unde¬ 
sirable Tree Species in the Western 
White Pine Type_ 267-274 
Studies in Western Yellow Pine Nursery 
Practice_1101-1120 
Brom-Cresol Purple, Litmus and Janus- 
Green Milk, Value in a Study of the 
Nodule Organisms of Leguminosae: J. 
W. Stevens__ 997-1000 
Brotherton, Wilbur, jr., and Rands, R. D.: 
Bean Varietal Tests for Disease Resist¬ 
ance_ 101-154 
Bruce, Donald: Some Possible Errors in 
the Use of Curves- 923-928 
Bruchus obtectus, Say- 
freezing experiments - 167-179 
Insect Affecting Seeds, Effect of Low 
Temperature on: Walter Carter-.165-182 
temperatures fatal_ 171-181 
Buck, J. M., and Creech, G. T.: Abortion- 
Bacterin Treatment of Cows Having 
Udders Infected by Bacterium abortus _. 663-684 
Buds, date palm, offshoot and flowering-.. 430 
Burgwald, L. H.: Cleaning Milking Ma¬ 
chines_ 191-195 
Burke, Edmund: The Influence of Nitrate 
Nitrogen Upon the Protein Content 
and Yield of Wheat.—.1189-1199 
Cabbage, effect of disease on nitrogen in. — 288 
Cactus, northern range, determination 
difficulty. 431 
Calcium Phosphate as a Supplement to the 
Ration of Dairy Cows, Value of: J. B. 
Lindsey and J. G. Archibald- 771-791 
Calendra granaria L. See Beetle, granary. 
California— 
fruit-bud differentiation as affected by 
pruning and irrigation--- 865-883 
Indio— 
experiments on date palm for minimum 
temperature of growth.. 402-407 
temperatures ...,- 441-442 
Trees, Yield Capacities of the Pure Yellow 
Pine Type on the East Slope of the 
Sierra Nevada Mountains: S. B. Show, 1121- 
1135 
Candy, injury by vacuum in insect ex¬ 
periments- .. 1039 
Canning, corn, grading of kernels recom¬ 
mended___ 1043,1046,1052 
Carter, Walter: The Effect of Low Tem¬ 
peratures on Bruchus obtectus Say, An 
Insect Affecting Seed- 165-182 
Cattle— 
Emaciated, Chemical Study of Flesh: 
Ralph Hoagland and Wilmer C. 
Powick_1001-1013 
emaciation, discussion of study-1010-1013 
meat constituents in emaciation- 1013 
Revised Net Energy Values of Feeding 
Stuffs: E. B. Forbes and Max Kriss_ 1083-1099 
Celery- 
effect of disease on nitrogen constituents, 
" experimental results, discussion and 
summary.. 295-300 
Celery—Continued Page 
Nitrogen Constituents in Plants in Health 
and Disease: G. H. Coons and L. J. 
Klotz_ 287-300 
Cercospora apii, Fres., cause of early blight 
in celery and effect, experiments_280-292 
Cereal products, fumigant for, possibilities 
and limitations of chloropicrin.. 745-760 
Cereals, fumigant for. See Chloropicrin. 
Chapman, R. N., and Johnson, A. H.: 
Possibilities and Limitations of Chlor¬ 
opicrin as a Fumigant for Cereal Pro¬ 
ducts_ 745-760 
Chemical Study of the Flesh of Emaciated 
Cattle: Ralph Hoagland and Wilmer 
n T*_i aai 1 ni O 
Chemicals, use in soil disinfection. _ 308-321,329-358 
Chicks, Weight, Relationship to Weight of 
Eggs According to Sex: M. A. Jull and 
J. P. Quinn__ -—4 _ 223-226 
China, source of dried eggs_ 155 
Chinch-Bug Attack, Reaction of Certain 
Grasses: W. P. Hayes and C. O. John¬ 
ston ____ 575-583 
Chloride content, comparison of Egyptian, 
Chlorides, use— 
kill trees- 271,273 
potato-wart control_ 308-321 
Chloropicrin— 
effects on fumigated cereals.. 749-758 
Fumigant for Cereal Products, Possibili¬ 
ties and Limitations of: R. N. Chap¬ 
man and A. H. Johnson.. 745-760 
toxicity- 
experiments_ 746-749 
insects, summary of literature- 745,746 
Chromosomes, existence in dioecious plants 941 
Citellus— 
columbianus columbianus, hibernation..- 761-769 
townsendi, hibernation--- 761-769 
Citrus groves, spraying with mineral-oil 
emulsions..... 59-65 
Cladosporium spp., relation to tomato leaf 
mold_-_ 523-526 
Clays, Colloidal, Report on as Emulsifers 
for Mineral Oils Used in Spraying 
Citrus Groves: W. W. Yothers and 
John R. Winston.... 59-65 
Cleaning Milking Machines: L. H. Burg¬ 
wald......— 191-195 
Climate— 
influence upon yields and percentages of 
Climatic conditions, influence upon time 
of differentiation and rate of develop¬ 
ment of fruit buds of the pear and apri¬ 
cot_.. 865-883 
Clover hay, feeding value, computation482-483 
See also Sweet clover. 
Cochliomyia macellaria Fab., benzene as 
larvicide for... 885-888 
Cochrane, Donald C., Fries, J. August, and 
Braman, Winfred W.: The Mainte¬ 
nance Requirement of Dry Cows- 1055-1082 
Colletotrichum lindemuthianum, Sacc. and 
Magn., B. and C., resistance of beans, 
study___ 102-145,149-151,153 
Colloidal clays. See Clays. 
Colorado Potato Beetle, Distribution 
Fluctuation: C. H. Batchelder.— 541-547 
Contagious abortion, bovine, localization.. 663 
See also Bacterium abortus. 
Coons, G. H., and Klotz, L. J.: The Nitro¬ 
gen Constituents of Celery Plants in 
Health and Disease. 287-300 
Copper— 
acetate, use to kill trees....... 271-273 
compounds, use in potato-wart control _.. 308-321 
sulphate- 
penetration into soils.. 353 
use to kill trees....------- 271-273 
Com— 
and sunflowers, comparison of elements^ 1170-1171 
breeding, remarks on..—. 98 
germination, note.-.. 1052 
growth— 
rapidity, comparisons. 2043-1053 
studies of, constants ...._ 973-98 
