924 ANNUAL REPORTS OF DEPARTMENT OF AGRICULTURE. 



Page. 



CoUepes, apricultural, relation to On'ue of Exporimont Stations 740-742 



Colorado, biological survey, report to he puhlishod 126 



coopiTiilivo iiivi'stifratitms of tnick-cnip iuHerts 533 



horsc-hrccdiiitr cxporinicnlw, lit 10 211-212 



Compsilura, moth parasite, inipDrtation, incroase. etc 1 l(i, 51()-517 



Concrete, oil-cement etudies, fornmla, and method of mixiiif;; 157, 790-791 



use in road biiil(lin<r, wall.s. floorH, etc 7IX)-7i)l 



Condensed-milk industry, cooperative study 45G 



Condimental foods, expensiveiiess. note 141 



Congressional pul>licati(»iis. Department of Agriculture, 1910 642-644 



seed distribution '. 3(>0-362 



Connecticut, moth control, work of Entomology Bureau, 1910 113-116,512-513^ 



Conservation of natural resources, remarks by Secretary 139-140 



Consumption cures, dangers in u.se, investigations, etc 443 



Contagious diseases, animals, eradication, study 204-207, 246-248, 272-277 



Contract supplies, examination by Chemistry Bureau 483-484 



Contracts, Department, with beneficiaries of National Forests, preparation, 



scope, etc 873-874 



preparation by Solicitor, work 886-888 



Cooperative buying associations as remedy for high prices 26 



Com, breeding and adaptat ion 291 



testing methods 315 



clubs, boys', work in the South 82, 83, 338 



commercial handling, remarks 308 



composition, studies by Chemistry Bureau 448 



cooperative demonstration work 337 



growing and use in Guam 756 



hybrids, disease resistance and increased yields 59 



investigations, discussion 68, 314-315 



production per acre, variations for several years 10-11, 27, 28, 710, 712 



purchasing power of one acre, 1899 and 1909 719-720, 721-722 



relation to pellagra, study 298 



storage under commercial conditions, studies 63-64 



sweet, environment and sugar content, etudies 432 



tillage needs and weeds 333 



weed destruction, studies and experiments 81 



Cornstalks, use in making feed for stock 302 



Corrosion, iron and steel, laboratory studies. Public Roads Office. . . 156-157, 789-790 



Cotton, acclimatization and adaptation 57-58, 291-294 



crop, 1910, value 11 



cultural methods, studies 81-82, 290, 294 



culture, extension in United States 58-59, 71, 323 



damage by boll weevil, studies 81-82 



diseases, investigations 286 



dry-land plant, remarks 58 



Egyptian, breeding and adaptation to Southwest 71, 323 



growing in Egypt 294 



on Indian reservations 290 



exports, value, 1910 18 



grades, official, preparation 61-62, 300-301 



growing, experiments at Hawaii station 146, 751 



perennial varieties, gro\ving in Hawaii 146 



production per acre, increase since 1886 27, 28 



variations for several years 711, 712 



purchasing power of one acre, 1899 and 1909 720-722 



red spider, investigations and control methods 522 



reports on crop, remarks 135 



seed, Congressional distribution 361 



effect on milk, study 239 



standardization, discussion 300-301 



varieties, investigations 56, 292 



wilt-resistant, importance of distribution of new variety, work 56 



Cotton -boll weevil. See Boll weevil. 



Cotton-seed meal and hulls, effect on milk, study 239 



feeding, danger, investigations and experiments 51, 265-266 



use in bread making, composition, etc 449 



