July 1-Dec. 15, 1925 
Index 
1203 
Corn—Continued Page 
kernel- 
influence of Irrigation Water and 
Manure on: J. E. Greaves and D. 
H. Nelson-.183-189 
Rows, Association with Productiveness 
and Deleterious Characters: Curtis 
H. Kyle and Hugo P. Stoneberg_ 83-99 
rows, number, effect of selection os_ 91,92 
rows, relation to vigor of plant_ 97-98 
kernels— 
grading for canning.. 1043 
relation of size and shape to yield_ 90 
Productiveness, Association with Num¬ 
ber of Kernel Rows and Deleterious 
Characters: Curtis H. Kyle and Hugo 
F. Stoneberg.. 83-99 
seedlings— ■*. 
Etiolated, Nitrogen Metabolism: S. L. 
Jodidi_ 1149-1164 
study.. 1160-1162 
selection, use in study of productive¬ 
ness. 91,92,93 
smut resistance, relation to number of 
kernel rows. 94-97 
sweet— 
for canning, grading__ 1043,1046,1052 
Relation of Size of Kernels to Evenness 
of Maturity: I. C. Hoffman. 1043-1053 
two-eared stalks, more numerous from 
large kernels than from small. 1043-1053 
use in combinations for finishing hogs, 
comparison. 1176 
See also Maize. 
Cotton—' 
R. T. and Back, E. A.: The Use of Vac¬ 
uum for Insect Control...... 1035-1041 
Stainer Group, Preliminary Observations 
on an Insect New to the United States: 
T. C. Barber.—.1137-1147 
Cottons, Egyptian— 
and Upland— 
leaf-tissue absorption of chlorides and 
sulphates compared .. 660 
Sulphate Content of the Leaf-tissue 
Fluids of: J. Arthur Harris, Clara T. 
Hoffman, and Walter F. Hoffman... 653-661 
Leaf-Tissue Fluids: J. Arthur Harris, 
W. F. Hoffman, W. B. Sinclair, A. H. 
Johnson, and R. D. Evans. .. 1027-1033 
physical properties of leaf-tissuei fluids.. 1027-1033 
Cowpea— 
and Lima Bean, Bacterial Spot of: Max 
W. Gardner and James B. Kendrick.. 841-863 
bacterial spot, transmission through seed. 860 
Cows— 
average maintenance requirement same 
as for steers.. 1081 
Dairy, Ration, Value of Calcium Phos¬ 
phate as a Supplement: J. B. Lindsay 
and J. G. Archibald. 771-791 
Dry, Maintenance Requirement: Donald 
C. Cochrane, J. August Fries, and Win¬ 
fred W. Braman. 1055-1082 
fasting, katabolism measure of mainte¬ 
nance requirements. 1076-1078 
gaseous excreta, determination_ 1066 
Increment of heat production due to feed 
consumption_ 1075-1076 
maintenance, balance of energy.A. 1070-1072 
net energy required for maintenance com¬ 
puted to the standard day and uniform 
live weight. .. 1078 
rations— 
digestibility. 1058,1059-1062 
net-energy value. 1074-1075,1079-81 
Treatment with Abortion Bacterin. for 
Udders Infected by Bacterium abortus: 
J. Mi. Buck and G. T. Creech. 663-684 
Cream— 
and skim milk, bacterial count, relation 
to bacterial count of whole milk..._ 695-699 
centrifugal and gravity separation, bacte¬ 
rial count..._.........__..._ 695-699 
Creech, G. T. and Buck, J. M.: Abortion- 
bacterin Treatment of Cows having 
Udders Infected by Bacterium abortus . 663-684 
Page 
Cronartium ribicola Fischer, Longevity in 
1923 of the Teliospores and Accompany¬ 
ing Uredospores: Perley Spaulding and 
Annie Rathbun-Gravatt__901-916 
Crop Studies, Growth-Equation Constants: 
W. L. Gaines and W. B. Nevens_ 973-985 
Crops, growth changes numerically ex¬ 
pressed by curves.. 973-985 
Crops. See also Student’s method. 
Crown gall, Studies of Resistant Stocks for 
Prunus: Clayton O. Smith.. 957-971 
Cucumber— 
mosaic- 
infection with____ 2-3,5 
of, intertransmission with tobacco_ 49-52 
wild. See Wild cucumber. 
Cucurbits, mosaic- 
infection, trials with infected seed_ 2-5 
of, cross inoculation experiments. 42-56 
Overwintering and Dissemination: S. P. 
Doolittle and N. M. Walker__ 1-58 
Curing, ham femur bone, marrow affected 
Curves, Errors Possible in Use of: Donald 
Bruce____ 923-928 
Dactylopius calceolariae Maskell, Identity as 
Mealybug: Harold Morrison..... 485-499 
ration, the value of calcium phosphate as 
a supplement... 771-791 
reproduction experiments_ 787-789 
Damping-off, prevention, western yellow 
pine nurseries_ 1112 
Date palm— * 
activity in daylight.. 466 
buds, offshoot, and flowering.. .. 430 
cooling effect of transpiration_ 431 
fruit-" 
maturing range.. 415-416 
production, note. 413 
spathe growth. 430 . 
growth data available. 416-421 
Inhibitive Effect of Direct Sunlight on 
Growth: Silas C. Mason__ 455-468 
leaf- 
elongation, time of day for... 447 
growth under artificial light_ 460-465,467-468 
moisture requirements_ 415 
range limitation by temperature__ 450-451 
structure and growth.. 421-430 
temperature- 
limits of endurance-__ 413 
Minimum for Growth and Absence of 
Resting Period: Silas C. Mason-401-414 
temperatures interior— 
discussion. 446-450 
effect of sap currents. 443-445 
experimental study. 431-446 
factors governing.. 431 
Thermostasv, Partial of Growth Center: 
Silas-C. Mason.415-453 
Dates, notes on importance, antiquity, and 
climatic requirements.416-416 
Davis, R. J.— 
and McKinney, H. H.: Influence of Soil 
Temperature and Moisture on Infection 
of Young Wheat Plants by Ophiobolus 
graminis ... 827-840 
Studies on Ophiobolus graminis Sacc. and 
the Take-all Disease of Wheat. 801-825 
Day and Night, Relative Length, Localiz¬ 
ation of Response in Plants to: W. W. 
Garner and H.H. Allard. 555-566 
Daylight, effects on sex in hemp... 935,937,939,942 
De Bord, George G.: Effect of Dehydration 
Upon the Bacterial Flora of Eggs_155-164 
Dehydration- 
Effect on Bacterial Flora of Eggs: George 
G. De Bord..155-164 
spray process, remarks and experiments 156-159 
vacuum process. .'.159-161 
Dendrocalamus giganteus, interior tempera¬ 
ture, note. .. 442 
Digestibility, dry ration for cows, method 
of approximating. 1061-1062,1081 
Diseases, bean, tests of varieties of beans... 101-154 
