4 DEPAETMEISTT OF AGEICULTURE BUI.S. 1101-1125. 



Cooperation — Continued. 



shelter-belt— BuUetin Xo. Page. 



demonstrations, area covered, description 1113 1-5 



planting on Northern Great Plains, bulletin by Robert 



Wilson and F. E. Cobb ." 1113 1-28 



Cooperative associations, legal phases, bulletin by L. S. Hulbert.. 1106 1-72 



Corn — 



borer, European, outbreaks in 1921 1103 28-30 



earworm, outbreaks in 1921 1103 4, 5-9 



injury by earworm in 1921, table 1103 9 



seed, maggot, outbreaks in 1921 1103 39-^2 



Corporations — 



antiquity, incorporating power, membership, etc 1106 3-29 



legal phases of cooperative associations, bulletin by L. S. 



Hulbert .' 1106 1-72 



nature and characteristics 1106 2-3 



powers 1106 35-46 



Cotton — ■ 



• • • • 1 f '''>-26 



communities, organization and progress 1111< "sO-33 



community, improvement, publications list 1111 49-50 



growers — 



need of legislation for prevention of inferior product 1111 28-30 



one-variety communities, bulletin by O. F. Cook 1111 1-50 



growing areas, boll weevil spread in 1921 1103 42-43 



injur^^ by calcium arsenate -. 1115 1 



mixed varieties, disadvantages 1111 3t6 



one-variety, communities, bulletin by 0. F. Cook 1111 1-50 



pooling, benefit to growers in Texas 1111 23 



production disadvantages of mixed varieties 1111 3-6 



varieties — 



pure seed secured by community work 1111 19-21 



renaming 1111 17-19 



Cottonseed — 



purity, necessity for superior varieties 1111-^ 46-47 



varieties, distribution methods 1111 7-11 



Cottonwood — 



lumber production, by States, 1920 1119 52 



species, adaptability for shelter-belt planting 1113 8, 9, 10, 15 



Cover crops, pecan orchards, suggestions 1102 12 



Cowpeas, cover crop for pecan orchard, objections 1102 2, 7, 12 



Cows, milk production of 15 herds 1101 3 



Cranberries — ■ 



marketing expenses 1109 27-35 



pooling system, operation and value 1109 13-14 



prices stabilizing, result of cooperative marketing 1109 3, 9, 17 



production — 



and sales, 1914-1920 1109 18-20 



1909-1921 1109 7 



Cranberry — 



Exchange, American, organization, function, and methods 1109 9-11 



growers cooperative marketing, bulletin by Asher Hobson and 



J. Burton Chaney 1109 1-36 



Cream, tests for hypochlorites and chloramins, bulletin by Philip 



Rupp .' 1114 1-5 



Credit notes, kinds, and uses by corporations 1106 29-31 



Crossbreeding — 



guinea pigs, comparison of effects with inbreeding, bulletin by 



" Sewall Wright T. 1121 1-61 



guinea pigs, experiments, and tables 1121<^ 50-"3 57 



< utworms, outbreaks in 1921 : 1103 19-21 



Cylas formicarius , outbreaks and control work, 1921 1103 34-37 



Cypress, lumber production, by States, 1920 1119 47 



