648 INDEX. 



Cattle — Continued. Page. 



export, testing with tuberculin 135 



grazing: on forest ranges, 1921 221 



herds accredited, number increase 99, 139-140 



imported, tuberculin tests 134 



prices increase 9 



raising in Virgin Islands 437 



reactor, prices investigation 577 



shipments from quarantined areas 138 



slaughter for tuberculosis and indemnity, statistics 141 



tuberculin testings 



area work 100 



statistics 99, 142-l'f3 



tuberculosis control 24, 99-100, 138-143 



Cedar chests, effect on moths, studies 310 



Cellulose, wood, products and by-products 242 



Census figures, comparison with crop estimate figures 529 



Center Market — 



Act, legal work bv Solicitor 591 



Washington, D. C. , operation 541-543 



Central America, cotton varieties 1 74 



Chayotes, growing in Southern States 1 86 



Cheese- 

 American, manufacture in South 1 15 



manufacture 115, 121 



Swiss, manufacture, studies 115, 116, 118, 121 



Chemical investigations. Soils Bureau 293-294 



Chemist, report, 1922 251-288 



I Chemistry — 



agricultural, researches 252-257 



Bureau — 



library, report of work 398, 407 



report of Chief 251-288 



work for other departments 272-273 



Chestnut, blight, control by resistant varieties 190 



Chicago, ])athological laboratory work 149 



Chickens — 



feeding and breeding experiments Ill, 112 



infection with Ascaridia perspicillum 157 



See also Poultry. 



Chittenden, F. H., truck-crop insects, investigations 314-317 



Chloroform, inspection 284 



Chlorosis plant, result of magnesium deficiency 188 



Cholera, hog, investigations 150-152 



Citrus — 



- black fly, spread 312 



canker eradication 180 



fruits — 



by-products value 271 



coloring and ripening 178-179 



improvement through bud selection 179 



insects, control studies 310-311 



testing in Hawaii 429 



nursery stock and fruits, quarantines ^ 626, 627 



scab-control experiments 431 



Climatological work, Weather Bureau, report 90-93 



Clothing, demonstration work 446, 451 



Clover — 



alsike, seed importations, increase 194 



crimson, seed importations, decrease 194 



red — 



• seed importations, decrease 194 



testing imported seeds 168 



Clubs, boys' and girls' — 



enrollment and value of products 35 



exhibit at Eastern States Exposition 632 



work summary and details 440, 447-448 



