1920] 



INDEX OF SUBJECTS. 



931 



Beets — Continued. 



fertilizer experiments, 427. 



tield or fodder. (Svr Mangels.) 



lodln content, 204, 632. 



manuring experiments. 24. 



sugar. (See Sugar beets.) 



variety tests, 528, G38. 

 Begonia, double flowers and linkage in, 632. 

 Bclascaria marginata, notes, U.S.D.A., 276. 

 Belt drives, geometry of, 891. 

 Belts- 

 data charts on transmission of hor.se- 

 power, 483. 



for power transmission, tests, 285. 



wire, tests, 891. 

 Benzaldehyde, effect on protein hydrolysis, 



110. 

 Benzidin sulphate, solubility In water, 504. 

 Benzyl alcohol in experimental tuberculosis, 



584. 

 Beriberi — 



among British troops, 2^32. 263. 



studies, 462. 

 Berries. (.See Fruits, small, and aprciflc 



kinds.) 

 Betabacterium, new genus, erection, 680. 

 Betacoccus, new genus, erection, 680. 

 Betain, cleavage by bacteria of " guanol," 



27. 

 Beverage samples, fermentable, preserva- 

 tives for, 804. 

 Beverages — 



analyses. Conn. State, 859. 



industry in France, 261. 



substitutes in Germany, 204. 

 Bibliography of — 

 f agricultural books for high schools, 698. 



I ammonium citrate solutions. Mich., 113. 

 I anaphylaxis, 471, 780. 

 ■ Anopheles plutnbeua, 55. 

 r ants, feeding habits, 8.'51. 



Arcetithobium spp., 821. 



Ascaris lumbricoides, U.S.D.A., 275. 



Bacillus pyogenes, 582. 



Bacillus u>elchii, 275. 



bacteria, role in plant diseases, 444. 



bean ladybird, U.S.D.A., 456. 



blood analysis, 205. 



botryomycosis, 181. 



bread maljing, use of apples and pears 

 in, 64. 



bumblebees of central Europe, 851. 



carbon as an adsorbent, 412. 



carbon dioxid in .soil, N. Y. Cornell, 813. 



cestodes of dogs and cats, 80. 



chemistry, reading courses, 801. 



chrysanthemum midge, 362. 



colorimetrlc determination of pll, 211. 



cotton, 828. 



cotton aphis, Tex., 759. 



cotton bollworm, pink, 161. 



cowpea weevil, Tex., 561. 



dairying, 73. 



flour, offal content, 314. 



food chemistry, 563. 



forests of West Africa, 840. 



Bibliography of — Continued. 



foulbrood, Ruropean, U.S.D.A., 59. 



gardens, form and design, 230. 



uras.ses as paper making material, 317. 



horses, 173. 



humin acids, 214. 



insect transmission of diseases, 450. 



insecticides, adulteration, U.S.D..\., 3'>'S. 



insects, chemotropic response, 554. 



insects, nutritional studies, 51. 



lice, 51, 852. 



lymphangitis, epizootic, 583. 



mammals of Panama, 850. 



melon aphis, Tex., 759. 



Mctarrhizium anisopliae, pleophagy of, 

 858. 



milk, biorized, 877. 



moor soils, effect of water level on root- 

 ing of plants, 623. 



nitrification of semiarid soils, 216. 



nitrifying bacteria, 216. 



nitrogen industry, 324. 



piroplasms, classification, 883. 



plants, poisonous, Can., 380. 



potato Rhizoctonia, 47. 



protozoa of New Jersey soils, 218. 



pyotherapy, 580. 



rats, protozoal parasites of, 883. 



root formation, 836. 



rubber culture, 344. 



rural communities, 595. 



rui'al schools, consolidation, 298. 



sawfly of Europe, U.S.D.A., 364. 



sodium chJorid affecting trees, 344. 



soil acidity, 212. 



soil extracts as affected by fertilizer 

 salts, Mich., 125. 



soli moisture, capillary movement, 

 U.S.D.A., 724. 



soil potassium liberation, 128. 



soils of eastern Germany, 320. 



soils, reduction potentials, 422. 



spotted fever. Rocky Mountain, 60. 



sweet clover seed production, U.S.D.A., 

 640. 



thyroid and pituitiiry glands, correla- 

 tion, 771. 



tick resistance In cattle, 182. 



tomatoes, breeding experiments, Ind., 

 835. 



tomatoes, ripening process, U.S.D.A., 

 834. 



walls, concrete retaining, construction, 

 485. 



wood, chemistry of, 617. 



wods of United States, 443. 



zoology, 250. 

 Bichlorld of mercury. (See Corrosive sub- 

 limate.) 

 Billbugs, habits of, 762. 

 Bloclimatlc law, U.S.D.A., 718. 

 Biocllmatic law, effectiveness of applying, 



U.S.D.A., 509. 

 Bloenergics, treatise, 521. 

 Biorizator, Lobeck, experiments with, 877. 

 Birches as affected by sodium chlorid, 344. 

 Bird Treaty, Migratory, U.S.D.A., 449. 



