SUBJECT INDEX 



63 



Bacteria — Continued. 



development as aflected by radioactivity, (28) 



731. 

 diastase and invertase activity, (36) 31. 

 dissemination by flies, (27) 58; (28) 356; (30) 658. 

 dissemination by roaches, (30) 156. 

 distribution by cream separators, (32) 268. 

 distribution in New Yorlc soils, (26) 719. 

 effect on— 



availability of phosphates, (28) 815. 

 catalase production in milk, (29) 717. 

 cycle ot hog cholera, (31) 680. 

 fermcntationofisa, (32) 111. 

 grain si^aqil moisture" content of soils, (29) 



20. ^^ ■■ ■ ' 

 milk held at low temperature, (31) 373. 

 nitrogen content of soils, (31) 731. 

 phosphoric acid in soils, (26) 817; (31) 721. 

 sewage, (34) 591. 

 soil phosphorus, (36) 515. 

 solubility of potash and phosphoric acid, 



(29) 315. 

 soluble phosphorus of manures, (26) 723. 

 fat splitting by, (26) 370. 

 fecal, determination, (26) 161. 

 formation of — 



calcium carbonate by, (26) 618. 

 creatinin by, (33) 725. 

 gas-producing, detection, ;34) 732. 

 gas-producing, in milk, (26) 576. 

 gas production by, in raw and pasteurized milk, 



(37) 874. 

 green fluorescent, of maple sap, (26) 825. 

 growth in — 



arsenic solutions, (35) 281. 

 protein-free media, (39) 888. 

 raw and pasteurized milk, (36) 475. 

 sterilized and unsterilized soil decoctions, 

 (28) 329. 

 halophytic and lime-precipitating, notes, (33) 



630. 

 hematoxins and antihematoxins of, (32) 78. 

 hemophilic, growth, (39) 668. 

 hemorrhagic septicemia group, (40) 685. 

 identification, (27) 384. 

 immunity of plants to, (33) 740. 

 importance in digestive processes, (31) 772. 

 in alimentary canal of fleas, survival, (31) 353. 

 cheese, studies, (27) 284. 

 Don curd, (26) 779. 

 flesh of normal slaughterhouse animals, (26) 



600. 

 house flies, (26) 251. 

 intestinal tract of calves, (35) 282. 

 milk, see Milk, 

 muscles, (26) 176. 

 normal udders, (27) 280; (28) 275. 

 old eggs, (26) 168. 

 prepared feeding stufls, (32) 75. 

 soils, see Soil bacteria. 

 Stilton cheese, (28) 879. 

 water, see Water, 

 intestinal, effect on purins, (33) 263. 

 intestinal, relation to diet, (40) 867. 

 intracellular digestion, (36) 379. 

 invasion of animal parasites by, (28) 681. 

 killed by heat, investigations, (31) 183. 

 lactic-acid, classification, (28) 75. 

 legume — 



and nonlegume plants, symbiosis, (37) 819. 

 behavior in acid and alkali media, (37) 422. 

 fixation of nitrogen by, (29) 629. 

 life cycles, (35) 728. 

 limitation of in soils, (29) 122. 

 lipolytic power on esters and fats, (29) 177. 

 micro-calorimeter for, (30) 66. 

 microscopic examination, (32) 578. 

 morphology and physiology, (26) 276. 

 nitrate-reducing, (27) 226; (31) 324. 

 nitrifying— 



action ofoligodynamic elements on, (33) 422. 

 in sand cultures, (27) 634. 

 role in decomposition of manure, (35) 426. 

 nitrogen collecting, handbook, (29) 824. 

 nitrogen-fixing- 



action ofoligodynamic elements on, (38) 428. 



as aflected by manganese, (33) 820. 



in Rubiaceae leaves, (27) 225. 



of manure, (38) 27. 



physiology and biology, (38) 426, 427. 



Bacteria— Continued. 



nitrogen-fixing— continued. 



potash requirements, (27) 22f 



preparation, (32) 433. 

 nitrogen metabolism, (39) 110. 

 nodule — 



as affected by manganese, (34) 31. 



as aflected by phosphorus, (37) 828. 



classification, (32) 33. 



for legumes, (35) 322. 



forms of, (32) 327. 



of Leguminosae, (32) 727. 



physiological studies, (32) 727. 



relationships among, (33) 823. 



Studies, (36) 517., . 



testing cultures of, (29) 30. 

 nomenclature and classification, (39) 124, 823. 

 of enteritidis group, variability, (26) 780. 

 fresh and decomposing manure, (39) 28. 

 infectious diseases, (40; 180, 284. 

 root nodules of legumes, (26) 824. 

 udder and genital organs of the cow, (39)388. 

 on green vegetables, (40) 658. 

 oxidation of manganese by, (32) 514. 

 parasitic on Elodea leaves, (26) 552. 

 paratyphoid-enteritidis — 



cause of fish poisoning, (34) 459. 



differentiation, (.38) 284. 



studies, (37) 275, 090, 781. 

 pathogenic- 

 conservation by flies, (30) 552. 



in candy, (34) 365. 



review of investigations, (28) 178. 



textbook, (28) 78. 

 persistence and vitality on alfalfa seed, (26) 820.. 

 production of — 



humus by, (38) 329. 



hydrocyanic acid by, (30) 802. 

 proteolytic, of man and animals, (26) 581 

 pure-line concept, (36) 826. 

 purple sulphur, physiology of, (31) 32. 

 reducing and oxidizing properties of, detection,. 



(26) 204. 

 relation to — 



beet blight, (34) 350. 



callose in root hairs, (29) 320. 



citrus gummosis, (29) 247. 



coagulation of latex, (38) 331. 



coconut bud rot, (27) 847. 



humus and fertilizers, (28) 727. 



iodin compounds, (29) 133. 



organic soil constituents, (29) 817. 



plant diseases, (27) 44; (31) 745. 



soils, (27) 728. 



wilt diseases, (29) 243. 

 resistance to — 



disinfectants, (26) 478. 



germicides, (36) 177; (37) 176. 

 respiration in soils, (27) 122. 

 review of investigations, (30) 11. 

 role in— 



cheese ripening, (27) 74; (31) 477. 



reducing wine acidity, (35) 113. 



silage fermentation, (36) 802. 



soil fertility, determination, (26) 123. 

 root tubercle, specialization of forms, (29) 733. 

 saprophytic, relation to animal life, (28) 570. 

 sensitized and nonsensitized, immunizatioa 



with, (37) 780. 

 serum-grown, use in producing immune serum,. 



(35) 679. 

 sewage, relation to shellfish pollution, (27) 212. 

 slime-forming, in milk, (29) 580. 

 spore-forming — 



function in soils, (35) 523. 



in soils, (36) 517. 



of the apiary, (37) 59. 

 staining, inhibitory action of serum, (37) 478. 

 stimulat'on by poisonous substances, (27) 131. 

 storage of oxygen by, (28) 329. 

 studies, (27) 780. 

 sulphur, physiology, (28) 728. 

 sulphur, physiology and distribution, (33) 23. 

 surviving pasteurization, (29) 73; (32) 775. 

 symbiosis — 



in Rubiaceae, (32) 327. 



with Ardisia crispa, (29) 30. 



with plants, (26) 545. 

 treatise, (27) 575; (29) 422; (31) 80. 

 use against field mice, (31) 57. 



