1919] 



INDEX OF SUBJECTS. 



947 



Cowpeas — Continued. 



for silage, Mo , 334. 



srowinK with corn, Tex., 36. 



in rotation with corn and wheat, Kans., 

 32, 33. 



inheritance of characters, 828. 



seed production maps, U.S.D.A., 236. 



seeding experiments, Tex., 36. 



variety tests, Ariz., 331 ; Mo., 637 ; 

 N.C., 638; Tex., 35. 



viability as afCected by heat, 430. 

 Cowpox, prophylaxis and treatment, 576. 

 Cows — 



Aberdeen-Angus, famous, 768. 



alfalfa hay and silage for, Ariz., 371. 



alfalfa hay for, 371 ; Mass., 275. 



as affected by environment and breed- 

 ing, Iowa, 182. 



condition at parturition, effect on milli. 

 Mo., 677. 



corn bran for, Mass., 276. 



dairy production in New Zealand, 676. 



escutcheons, 572. 



feeding, 473, 676. 



feeding experiments, Can., 572 ; Tex., 

 78. 



gestation as affecting milk composi- 

 tion, 679. 



hay for from immature plants, 762. 



milk production. {See Milk produc- 

 tion.) 



mineral metabolism, 372. 



official tests. 111., 873. 



phosphorus and calcium metabolism, 

 678. 



records. (See Dairy herd records.) 



soiling crops for, 184 ; Iowa, 181. 



stage of lactation as affecting milk 

 composition, 679. 



stalls, construction, Mich., 587. 



udders. (See Udder infections.) 



urine analysis, 82. 



viscera of, atlas, 286. 



(See also Calves, Cattle, and Heifers.) 

 Coyo, description, U.S.D.A., 45. 

 Crab grass, composition of ash, 502. 

 CrambinsB of Nova Scotia, key, 354. 

 Cranberries — 



handling and shipping, 836. 



pruning experiments, 836. 



spoilage after picking, 836. 

 Cranberry fruit worm, parasite of, 63. 

 Crane flies, studies, 797. 

 Cream — 



graded, microbial flora, 375. 



laws and regulations, 372. 



separator, effect on bacterial count, 

 374, 375. 

 Creamery wastes, tr(>atment and disposal, 



589. 

 Creatin — 



and creatinin, determination In blood, 

 13. 



excretion in ruminants, 672. 



oxidation by mercuric acetate, 668. 

 Creatinin excretion of Filipinos, 563. 

 Creonectna purpurea, uotes, 752. 



Creosote, penetration of coniferous woods, 



820. 

 Creosoting farm timbers, 584, 585. 

 Crescograph, description and use, 724. 

 Cresol disinfectant, new, 875. 

 Crickets — 



field, control, S.Dak., 251. 



house, notes. Conn. State, 159. 



mole, of Java, 847. 

 Crioceris — 



asparagi. {See Asparagus beetles.) 



subpolita, life history, 853. 

 Crithidia, life cycle, 781. 

 Cronartium — 



occidentale, notes, 351. 



ribicola, notes, 154. 



sp. in Colorado, 659. 



(See also Peridcrmium and White pine 

 blister rust.) 

 Crop — 



cycles in United Kingdom and United 

 States, 892. 



distribution, treatise, 730. 



improvement in India, 522. 529. 



improvement in Scotland, 636. 



plants, important, 720. 



reports, U.S.D.A., 194, 294, 492, 695, 

 794. 



rotations. (See Rotation of crops.) 

 Cropping systems — 



as affecting soil erosion and water 

 absorption, Mo., 622. 



for Red River Valley, N.Dak., 822. 

 Crops — 



and climate, relations in United States, 

 U.S.D.A., 417. 



composition as affected by soils and 

 fertilizers, 422, 813. 



effects on following crops, R.I., 135. 



(See also Field crops.) 

 Cross sections, sloping, factors for cubic 



yards, 582. 

 Crossties, zinc-treated, durability, 690. 

 Crotalaria usaramwnsis as fiber plant, 640. 

 Crown gall — - 



review of investigations, 450. 



studies, 1 52. 

 Crucifer diseases, notes, 745. 

 Crucifene important for food and fodder, 



729. 

 Crude fiber. {See Cellulose.) 

 Gryptoripcrsia ari::oiieiisis, synonymy, 757. 

 Crystallography in measurement of mor- 

 phine and its derivatives, 801. 

 Ctctiocephaliis canis parasite, studies, 781. 

 Cucumber — 



beetle, striped, 450 ; Conn. State, 158 ; 

 U.S.D.A., 259. 



diseases, notes, 450, 745. 



flea-beetle, notes. Conn. State, 159. 



verticilliose, studies, 450, 843. 

 Cucumbers — 



culture experiments, 339. 



sodium for, R.I., 426. 



storage rots, Minn., 745. 

 Cucurbit Fusarium diseases, studies, Minn., 

 745. 



