1919] 



INDEX OF SUBJECTS. 



927 



Ammonia — Continued. 



fixation by calcium sulphate, 521. 



fixation by niter cake, 51G. 



of heated soil, action on germination 



and plant growth, 216. 

 oxidation, 111, 219, 815. 

 oxidation, determining efficiency, 312. 

 production from lime nitrogen, 219. 

 recovery from fecal matter, 723. 

 synthesis, 516, 627. 



synthetic, transformation into ammo- 

 nium cblorid, 619. 

 Ammonification — 



and carbon dioxid formation, parallel, 



421. 

 as affected by phosphates, 721. 

 as affected by sodium salts, 320. 

 as criterion of fertility, 321. 

 in acid soils, 319. 

 in bhatta soils, 812. 

 of manure in soil, 20. 

 test, value, Ga., 19. 

 Ammonium — 



chlorid, fertilizing value, 424. 

 chlorid,, preparation from synthetic 



ammonia, 619. 

 nitrate, fertilizing value, 229, 424, 



723, 815. 

 nitrate, potassium, 627. 

 nitrate, seed treatment with, 730. 

 polysulphid wash, preparation and use, 



751. 

 salts as affecting plant food movement 



in soils, 214. 

 sulphate — 



and superphosphate mixtures, set- 

 ting of, 425. 

 as an insecticide, 251. 

 effect on composition of crops, 422. 

 effect on soil reaction, 319. 

 effect on soil solubility, Mich., 512. 

 effect on soy beans, N.J., 27. 

 fertilizing value, 229, 516, 723, 

 815, 825, 82G; Can., 516; Mass., 

 21 ; N.C., 624. 

 from refuse, 723. 

 limits of harmful effect, 815. 

 sprays, fertilizing value, Hawaii, 



148. 

 use in nematode control, Fla., 548. 



Amoeha mcleagridis, studies, 685. 



Amylase of fresh and dried vegetables, 202. 



Anaerobes, pathogenic, biochemistry, 476. 



Anaerobic flora of wounds, 476, 874, 876. 



Ananaphylaxis, studies, 185. 



Ananas, history of, 242. 



Anaphylactic — 



injection, immunizing action of sodium 

 chlorid against, 476. 



shock, suppression, 681. 

 Anaphylaxis — 



in glandered horses, 84. 



in veterinary practice, 184. 



studies, 185, 186, 282. 

 Anaplasma, studies, 875. 



Anarsia Uncatella. (S<re Peach twig-moth.) 

 Anasa trUstis. (See Squash-bug.^ 

 Anastrcpha fraterculus, notes. 552. 

 Anastrepha of Brazil, 758. 

 Anay, description, 740. 

 Andropogon — 



favcolatua, notes, Fla., 528. 

 sorfjhum, fertilizer experiments, 814. 

 son/hum, hydrocyanic-acid content, 474. 

 sorfjhum, smuts, studies, 51. 

 Anemia, infectious, of the horse, 480. 

 Anesthetics, effects on respiration, 524, 



632. 

 Angophoras, shoot-bearing tumors, 728. 

 Angoumois grain moth as affected by 



humidity, N.J., 58. 

 Animal — 



biology, textbook, 896. 

 breeding, scientific principles in, 267. 

 {See aluo Breeding, Heredity, and 

 Hybridization. ) 

 disease research in South Africa, 280, 



474. 

 diseases — 



control on the farm, 279. 



in Assam, 874. 



in Baluchistan, 777. 



in Ceylon, 680. 



in England, 873. 



in India, 680, 777, 874. 



in Ireland, 280. 



in Massachusetts, 279. 



in Norway, 280. 



in Paris and Department of the 



Seine, 777. 

 in Queensland, 82. 

 in Tennessee, 680. 

 in rtah, 82. 



quarantine, U.S.D.A., 680. 

 (See also specific diseases.) 

 ecology of Johnson Co., Iowa, 753. 

 fats. (See Fats.) 

 nutrition, methods of experimentation, 



366. 

 parasites, control on the farm, 279. 

 parasites, external, fumigation, N.Y. 



Cornell, 82. 

 parasites, intestinal, remedies, 286, 

 480, 782. 



(See also specific parasites.) 

 parasitology, manual, 184. 

 production research, papers on, 366. 

 Animals — 



Australian, in New York Zoo, 55. 

 domestic, regional anatomy, 279. 

 of Glacier National Park, 55. 

 predatory, control, 353. 

 (See also Live Stock, Lactle, Sheep, 

 etc.) 

 Anisota senatoria, remedies, 662. 

 Anohium domcsticum in New Zealand, 555. 

 Anobium in an old carving, 847. 

 Anopheles — 



effectiveness of culicifuges against, 554. 

 in irrigation district, 553. 

 larviB, food of, 665. 



