Oct. 4, 1915-Mar. 27, 1916 
Index 
ii 95 
Page 
Bouyoucos, G. J. (paper), Effect of Tempera¬ 
ture on Movement of Water Vapor and Cap¬ 
illary Moisture in Soils. 141-172 
Brassica — 
alba — 
composition of seed of. 1162 
effect of green manure on germination of. 1162 
napus, effect of sulphur on growth of-243-245 
nigra , host plant of Cystopus candidus . 63 
Briggs, E. J., and Shanty H. E- (paper)— 
An Automatic Transpiration Scale of Earge 
Capacity for Use with Freely Exposed 
Plants. 117-13 2 
Hourly Transpiration Rate on Clear Days 
as Determined by Cyclic Environmental 
Factors. 583-650 
Bromus lectorum, host plant Puccinia phlei- 
pratensis .212-213,215 
Brown, P. E. (paper), Relation between Cer¬ 
tain Bacterial Activities in Soils and Their 
Crop-Producing Power. 855-869 
Brownrot, varietal resistance of plums to.. 365-396 
Bryan, M. K., and Smith, E. F., (paper), 
Angular Eeafspot of Cucumbers.465-476 
Buckner, G. Davis (paper), Translocation of 
Mineral Constituents of Seeds and Tubers 
of Certain Plants During Growth.449-458 
Buckwheat. See Fagopyrum tataricum. 
Calcium— 
carbonate, effect of, on germination of seeds. 1170 
sulphate- 
effect of— 
on forms of plant life. 771-780 
on growth of higher plants. 775-778 
on legume bacteria. 774“775 
Calorimeter, respiration— 
air-purifying system in.305-310 
air-tension equalizer in.304-305 
description of. 229-348 
improved. 299-348 
principle of.301-302 
Canal, irrigation- 
computation of discharge of. 226-231 
use of current meters in. 217-232 
Cannabis saliva — 
composition of seed of. 1162 
effect of green manure on germination of 1162-1166 
Capillary moisture in soils, effect of tempera¬ 
ture on movement of. 141-172 
Capsella bursa pastor is, host plant of Cystopus 
candidus . *63)67 
Carbohydrate Transformations in Sweet Po¬ 
tatoes (paper). 543-560 
Carbon dioxid, effect of, on germination. 1169 
Car ex sp., host plant of Comandra umbellata .. 134 
Carpenter, C. W. (paper). Some Potato Tu¬ 
ber-Rots Caused by Species of Fusarium. 183-210 
Carrero, J. O., and Gile, P. E- (paper), Ash 
Composition of Upland Rice at Various 
Stages of Growth.357-364 
Carrnth, F. E., and Withers, W. A. (paper), 
Gossypol, the Toxic Substance in Cotton¬ 
seed Meal. 261-288 
Castanea dentata, host plant of Comandra 
umbellata . 134 
Page 
Castilleja mmiata , host plant of Cronartium 
coleosporioides . 781-785 
Castor bean. See Ricinus communis . 
Cations, effect on growth of Triticum spp_42-43 
Cats, experiments in feeding beef and veal 
to... 703-708 
Cement, asphalt— 
characteristics of. 805-807 
effect of— 
controllable variables upon the penetra¬ 
tion test for. 805-818 
load variations on. 815-816 
temperature variation on. 813-815 
time variations on. 816-817 
methods, of preparation for testing.807-813 
Cephalothecium roseum , effect of low tem¬ 
perature on. 652 
Ceratitis capitata — 
infestation of Musa spp. by. 793-804 
effect of cold-storage temperatures upon.. 657-666 
parasite of— 
Ckrysophyllum cainto . 657 
Mangifera indica . 657 
Musa spp. 793-804 
Per sea gratis sima . 657 
presence of, in banana plantation. 793-794 
Cercospora — 
beticola — 
causal organism of leafspot. ion 
factors influencing infection by. 1029-1037 
parasite of Beta vulgaris . 1011-1038 
relation of stomatal movement to infec¬ 
tion by. 1011-1038 
per sonata — 
casual organism of leafspot of Arachis 
hypogaea .. 891-902 
control of. 891-894 
damage caused by. 894-895 
dissemination of. 895-901 
parasite of Arachis hypogaea .891-902 
Chauliognathus sp., carrier of Cercospora per- 
sonata . 898-899 
Cherry and Hawthorn Sawfly Eeaf Miner 
(paper). 519-528 
Cherry leaf beetle. See Galerucella cavicollis. 
Chimaphila umbellata, host plant of Comandra 
umbellata . 134 
Ckrysophyllum cainto, host fruit of Ceratitis 
capitata . 657 
Chrysopsis mariana , host plant of Comandra 
umbellata . 134 
Climate, relation of, to insect development.. 1184- 
1185,1190-1191 
Clover- 
red. See Trifolium pratense. 
See Trifolium. 
sweet. See Melilotus alba . 
Cold-storage temperatures, effect of, upon the 
Mediterranean fruit fly. 657-666 
Coleman, D. A., Eint, H. C., and Kopeloff, N. 
(paper), Separation of Soil Protozoa. 137-140 
Coleoptera, agency in dissemination of Cer¬ 
cospora per sonata . 898-901 
Colletotrickum Undemuthianum, effect of low 
temperature on. 654 
