1920] 



INDEX OF SUBJECTS. 



929 



BacilluH — Continued. 



suipestifer, longevity in honey, Colo., 

 164. 



suipcutifir, notes, Ind., 385. 



tetani, cultivation and Isolation, 880. 



trachciiihilun, notes, Tex., 840. 



tracluHpltilus, studies, U.S.D.A., 245. 



typhosus, attenuated, agglutinabUity, 

 581. 



typhosus, longevity in honey, Colo., 163. 



vasculanim, notes, 548. 



viscosug, notes, 261. 



ioalflschrauschbrand, studies. 111. 



welctiii, description, 275. 



ioelchii toxin, precipitation of, 881. 



xerosis, notes, 472. 

 Bacillus, " nerve," studies, 472. 

 lU'cterla — 



colon-aerojgenes group, correlation, 7'.*1. 



effect on etching power of roots, 422. 



fermenting carbohydrates, identifica- 

 tion, 113. 



in frozen soils, 422. 



in pure cultures, determination of num- 

 ber, 274. 



in suspension, estimating number, 274. 



lactic acid, monograph, 680. 



nitrifying, studies, 216. 



pathogenic, in hog cholera blood, 884. 



pentose-destroying, fermentation, char- 

 acteristics, 411. 



relation to soil productivity, 124. 



r61e in plant diseases, 444. 



transmutation, 274. 

 Bacterial — 



culture.s, H-ion concentration, 383. 



cultures, number of colonies for soil 

 plate, 422. 



cultures, petrl plates, time of incuba- 

 tion, 422. 



cultures, reduction potentials, 421. 



fertilizers, analyses, 424. 



flora of eyes of horses, 472. 



flora of reprofluctive organs of cow, 182. 

 Bactorlns, Immunizing value, Nebr., 882, 



887. 

 Bacteriologic culture media. (See Culture 



media.) 

 Bacteriological laboratory for cooperative 



creameries, 879. 

 Bacteriology, international catalogue, 227. 

 Bacteriophagus microorganism, r51e in fowl 



typhoid, 84. 

 Bacterium — 



anrjulatum, notes, 246. 



hipolaris, antigenic value of vaccines 

 against, Nebr., 882. 



citH. (See Citrus canker.) 



ooronafaciens n. sp., description, 545. 



herbicola-, notes, 445. 



ichthyosmius, notes, N. Y. Cornell, 470. 



juglandiis on walnut, 152. 



lactis acidi, volatile acidity, Iowa, 75. 



tnaculicolum on crucifers, 152. 



malvao€<irum, aotes, 243, 652. 



Bacterium — Continued. 



mclitettsitt and Bacillua abortus, com- 

 parison, 880. 



7netitcnsls, serologic grouping of, 879. 



pullorum, intradermal test for, 083. 



pruni, notes, Okla., 36. 



sanouinarium, notes, 84. 



solanacearum, notes, 245 ; Pa., 549. 



(See also Bacillus solanacearum.) 



tabacum, notes, 246. 



tumcfaoiens, notes, 246, 444. 



tum-ifaciens, studies, 242. 

 Bactrocera cucurMtw, control, 455. 

 Bagnis-iopsis dioscorcw n. sp. on yams, 652. 

 Bagworm on citrus, 555. 

 Bagworms, popular account. Mo., 160. 

 Bahia grass, culture experiments, 528. 

 Baking powder — 



analyses. Conn. State, 859. 



analysis, 415. 



ingredients and standards, 415. 

 Balansia genus, notes, 152. 

 Ballistite for rock and soil blasting, 480. 

 Balloon flight, observations on, U.S.D.A., 



719. 

 Balsam of Peru, chemical constants, 110. 

 Banana — 



Panama disease, control, 48. 



Panama disease, notes, 151. 



root-borer, habits and remedies, 457, 

 560. 



root-borer, notes, 52. 



wUt, notes, 848. 

 Bananas — 



as affected by ultraviolet rays, 731. 



culture, 837. 



culture experiments, 40. 



culture in Fiji, 40. 



drying, 564. 



insects affecting, 52. 

 Barberry — 



eradication, 45, 546. 



relation to stem rust, Iowa, 653. 



relation to wheat rust in Indiana, 546. 



rusts, morphological study, 844. 

 Barium — 



in plants and soils, Ky., 327. 



I)hosph(>molybdate, determination, 804. 



water sprays, fungicidal value, U.S.D.A-, 

 843. 

 Barley — 



as hay crop, 527. 



as nurse crop. Wash., 737. 



culture experiments, Mont., 332, 739 ; 

 Nebr., 637. 



culture on Yuma project, U.S.D.A., 393. 



diseases, control, Tex., 845. 



effect of osmotic pressure on cell sap, 

 224. 



feed, analyses, 867 ; Ind., 69, 867 ; Ky., 

 373. 



fertilizer experiments, 232. 



flour, analyses, Ariz., 764 ; N. J., 69. 



for fattening pigs, 774, 870. 



for fattening steers, N. Dak., 374. 



