1919] 



INDEX OF SUBJECTS. 



943 



Clover — Continued. 



seed production on sandy soil, Wis., 18. 



seed, testing, Iowa, 40. 



seed treatment, 646. 



stem rot, studies, N.C., 450. 



sweet. (See Sweet clover.) 

 Club work in Indiana, 495. 

 Cluliroot, studies, 055. 

 Coal as talcum substitute to induce rapid 



boilin:;, 410. 

 Coat color. (See Color.) 

 Coccidae — 



of Argentina, 255. 



of Italy, 551. 



of southwestern United States, 457, 

 757. 

 Coccobacillus acridiorum, notes, 662. 

 Coccomyces liiemalis, treatment, U.S.D.A., 



349. 

 Coccus citricoJa (lonf/uhis), remedies, 757. 

 Cochylis moth in Bordeaux, 59. 

 Cockroach, greenhouse, studies. Conn. State, 



158. 

 Cocksfoot pastures in New Zealand, 640. 

 Cocoa — 



and its adulteration, 467. 



determination of fat in, 714. 



production in British Empire, 741. 

 Coconut — 



bud rot, notes, 350, 841. 



caterpillar, studies, 757. 



fat, determination, 412. 



feeding cake, rancidity, 10. 



globulin and press cake, nutritive 

 value, 262. 



leaf beetle, two-colored, studies, 758. 



meal, analj'ses. Can., 565 ; Ind., 504, 

 868 ; N.Y.State, 868. 



meal, composition, 564. 



oil, evaluation, 115. 



oil, vitamin content, 303. 



soils, Malayan, 319. 

 Coconuts — 



culture, 447. 



culture experiments, 540, 740. 



culture in Cochin China, 540. 



insects affecting, 59, 455. 

 Codeine and codethyline monohydrate, 



crystallography, 802. 

 Codling motli — 



as walnut pest, 457, 665. 



control, 59, 160, 460 ; 111., 146 ; Iowa, 

 237. 



history in British Columbia, 552. 



investigations, N.Mex., 164. 

 Coeliodes ruber in Italy, 555. 

 Coffee — 



and its adulteration, 467. 



breeding experiments, 741. 



culture experiments, 242, 650, 740. 



diseases, notes, Hawaii, 153. 



fertilizer experiments, 817. 



insects affecting, 59, 455. 



lands, I'.R., 342. 



leaf disease, notes, 350. 



leaves and pulp, caffein content, 41::. 



report of A.O.A.C. referee, 799. 



Coffee — Continued. 



Robusta, culture, 242. 



selection experiments, 741, 837. 



spraying, 350. 



substitutes, 66. 



transplanting, P.R., 342. 



variety tests, 837. 

 Cogon as paper-making material, 732. 

 Cola, culture experiments, 740. 

 Colaspidcma atra, biology, 59. 

 ('old frame, use of, treatise, 538. 

 Cold storage — 



of eggs, U.S.D.A., 179. 



of fruits, 443. 



reports, U.S.D.A., 66, 558. 

 Coh'ophora. n.spp., descriptions, 258, 

 Coleoptera illustrata, 62. 

 CoUards, breeding experiments, Ga., 145. 

 Colleges, women's war work in, 95. 



(See aluo Agricultural colleges.) 

 CulletotHchum — 



lindemuthianum, resistance of beans to, 

 154. 



Unicolum n.sp., description and 

 studies, 544. 



pliotnoides on tomato, 156. 



.sp. on flax, 655. 

 Colloid chemistry — • 



advances in and applications, 801. 



treatise, 310. 

 Colloidal- 

 action in growth, 25, 26, 27, 132. 



clay percentage of soil, relation to con- 

 traction, 812. 



condition of soils, reversibility, N.Y. 

 Cornell, 121. 



mixture as affected by acids and 

 amido compounds, 221. 



mixtures, permeability, 631. 



substances, effect on growth of wheat 

 seedlings, 422. 

 Colloids — ■ 



effect on soil reactions, 720. 



hydration, defining physical constants, 

 27. 



in biology and medicine, treatise, 680. 



splitting of neutral salts in contact 

 with, 364. 

 Color inheritance in — 



cowpeas, 828. 



fowls, Kans., 76. 



maize, 733. 



mice, 175, 866. 



oats, X.Y.Cornell, 642. 



(See also Pigmentation.) 

 Colorado — 



College and Station, notes, 700. 



Station, report, 98. 

 Coloring matters — - 



chemistry of, progress, 013. 



natural, treatise, 110. 

 Colostrum formation, theory, 80. 

 Colts, feed records. Can., 570. 

 Comfrey — 



nutritive value, 557. 



roots, as!! constituents, 502. 



