INDEX. 5 



Bulletin 

 Cotton— Continued. No - Page- 



pink bollworm, report on investigations in Mexico, bulletin 



by U. C. Lof tin and others 918 1-64 



See also Bollworm, pink. 



poisoning in field for pink-bollworm control 918 51-52 



production in Mexico, Laguna district 918 4 



stalks and bolls, destruction for pink-bollworm control 918 53-54 



Cottonseed oil, use in sardine packing 908 4, 66-68, 119 



Cow — 



keeping requirements — 



and cost for one year 923 5-6 



per year, and credits 919 6-9 



pasture requirements, and cost 923 6 



Cows — 



breeding and gestation periods 905 6, 7, 8 



dairy — 



feed requirements -923 5-6 



improvement by grading up 905 54-57 



Cranberry worm. See Leaf-roller, red-banded. 

 Crops — 



acreage, by States, 1910, chart 912 11, 12 



farm, hail insurance, bulletin by V. N. Valgren 912 1-32 



field- 

 cost of materials used in producing in Colorado 917 46 



growing in sugar-beet districts of Colorado, practices, bul- 

 letin by Samuel B. Nuckols and Thomas H. Summers. 917 1-52 



production costs in Colorado, sugar-beet districts 917 42-50 



profits in Colorado, distribution of credits 917 50-51 



yields in North Central States, 1912-1918, on 185 farms 92o{ 8 ' ^ ^ 2 ^ 



Crossbreeding, live stock, results 905 42, 44, 62 



Cucumbers, growing in Colorado — 



farm practices (with other crops) 917 11-40 



labor distribution and cost 917 9, 10, 12, 45 



Cutter, E., work with grapes in California 903 4 



Cuttings, grape, phylloxera spread 903 8, 120-121 



Dale, J. K., and C. S. Hudson, bulletin on "Sugar-cane juice 



clarification for sirup manufacture " 921 1-15 



Davidson, W. H., and R. L. Nougaret, bulletin on "The grape 



phylloxera in California " 903 1-128 



Degermination, corn, methods and advantages 904 1-8 



Delaware — 



farmers' experience with motor trucks (with other Eastern 



States), bulletin by H. R. Tolley and L. M. Church 910 1-37 



walnut, stand and quality 909<[ 9 ' 10 ' ^1{ 



Diatomaceous earth. See Infusorial earth. 



Disease, fungous, value in control of clover-leaf weevil and other 



insects 922 16-17 



Disking, practices, Colorado sugar-beet districts 917 15 



Diversion boxes, in irrigation 906 41-44 



Dixon, H. M., and H. W. Hawthorne, bulletin on "Farm 



profits: Figures from the same farms for a series of years" 920 1-56 



Drying, fish, in sardine industry 908 9, 51-58, 122 



Dusting — 



cabbage flea-beetle, experiments with zinc arsenite and to- 

 bacco 902 17, 18 



cotton, for pink-bollworm control, experiments 918 51-52 



Dwarfism. See Brachysm. 

 Earth- 

 flea. See Flea-beetle, western cabbage, 

 infusorial. See Infusorial earth. 

 Empusa sphaerosperma, enemy of clover-leaf weevil and other in- 

 sects 922 16-17 



