638 



EXPERIMENT STATION RECOED 



Yams— Continued. 



Indian, composition, (27) 268. 

 insects alTecting, (27) 453; (30) 546; (34) 349. 

 leaf disease of, (36) 348. 

 mucinase in, (34) 312. 

 notes, (26) 362, 840; (27) 842; (31) 334. 

 treatise, (33) 437. 

 tuber and wilt diseases, (37) 452. 

 varieties, (26) 534, 733; (27) 233; (28) 828; (29) 

 637; (30) 525; (31) 524; (33) 535; (35) 134; (36) 

 735; (38) 33, 335, 520; (40) 231, 522, 037. 

 weevils alTecting, (33) 864. 

 Yaqona, insects alTecting. (27) 453. 

 Yarn making, textbook, (40) 899. 

 Yarrow seed, vitality, (27) 740. 

 Yarrow, violatile oil of, (35) 807. 

 Yautias— 



as food, (36) 561. 

 culture, (38) 231. 

 culture and analyses, (32) 37. 

 culture experiments, (29) 637. 

 culture in Philippines, (40) 244. 

 fertilizer experiments, (29) 637. 

 notes. (26) 362; (27) 842. 

 varieties, (29) 637; (33) 535. 

 Yearbooks of United States Department of Agri- 

 culture, index, (29) 599. 

 Yeast- 

 accessory growth substance in, (38) 503. 

 accustomation to galactose, (28) 202. 

 acid-destroying, effect on lactic bacteria, (29) 8 

 alcohol production by, (40) 326. 

 and vinegar grains, analyses, (36) 667. 

 antincuritis base of, (28) 67. 

 antipolyneuritic substances from, (40) 174. 

 as affected by — 



metallic salts, (28) 527. 



spices, (38) 469. 



volatile conifer products, (32) 618. 

 as beriberi preventive, (28) 761. 



feeding stuff, (36) 367. 



food, (34) 164. 

 leavening agents, (33) 66. 



polyneuritis preventive, (28) 761. 

 assimilation- 

 investigations, (28) 824. 



of nitrogen by, (28) 35; (30) 629; (32) 728. 



of sodium thiosulphate by, (29) 29, 30. 

 autofermentation of, (26) 867. 

 autolysis, (39) 10. 



autolysis, synthetic processes in, (32) 710. 

 bacteria, and molds, treatise, (27) 727. 

 baker's, studies, (31) 555. 

 cell, nutritional physiology of, (32) 308. 

 cells- 

 assimilation of nutrients by, (29) 732. 



formation of glycogen in, (28) 631. 



living, as affected by phosphates, (26) 309. 



permeability, (26) 326. 

 chemistry of, (34) 711. 

 cleavage of methyl glucosid by, (30) 11. 

 combination as feeding stuff, (30) 565. 

 composition and digestibility, (27) 669; (34) 165. 

 cooked, as cattle feed, (27) 277. 

 culture and tests, (30) 712. 

 cultures, pure, use in wine making, (28) 209. 

 dead, formation of carbon dioxid by, (37) 203. 

 decomposition of lactic acid by, (37) 202. 

 decomposition of silicates by, (31) 121. 

 determination of acidity, (29) 864. 

 development in various media, (30) 111. 

 development of reproductive organs, (37) 631. 

 dietetic value, (36) 158. 

 differentiation of various kinds, (33) 611. 

 dried — 



analyses and feeding value, (33) 571. 



as feeding stuff, (33) 467; (34) 298. 



composition, (33) 467. 



effect on milk, (34) 471. 



enzyms of, (-30) 504. 



feeding value, (26) 468. 



for cows, (36) 374. 



domestic animals, (28) 383. 

 horses, (30) 175. 

 pigs, (27) 874. 



nutritive value, (36) 864. 



use in preparation of molasses feeds, (26) 

 567. 



V. meat meal for pigs, (23) 668. 

 dry beer, analyses and feeding value. (29) 467. 



Ye.ist— Continued, 

 drying, (27) 659. 

 effect on— 



betain, (33) 312. 



fermentation of tea, (32) 111. 



protein formation, (31) 223; (35) 634. 



soils, (31) 818. 



tartaric acid, (29) 504; (36) 801. 

 examination, (30) 669. 



factories, fermentation processes in, (29) 509. 

 fermentation of albumin in, (33) 824. 

 fixation of atmospheric nitrogen by, (26) 123. 

 Food, .Vrkady, effects, (40) 762. 

 food hormones of, (36) 865; (40) 463. 

 foo'l, tests, (39) 366. 

 for broad making, (39) 203. 

 for cows, (32) 871. 

 for the Tropics, (31) 166. 

 formation of invertase in, (28) 202, 408. 

 forms of in wine, (30) 711, 712. 

 fungi, protein metabolism of, (33) 202. 

 glucolytic ferment, (27) 765. 

 grains, analyses, (38) 665; (40) 72, 571, 665. 

 grains, dried, analyses, (35) 867; (38) 67, 369. 

 growtii in arsenic solutions, (35) 281. 

 growth-promoting substance in, (36) 160. 

 in butter, notes, (23) 478. 

 in silage, (27) 204. 

 in wine fermentation, (36) 802. 

 invertase content, increasing, (31) 410. 

 invertase, hydrolyzing properties, (32) 803. 

 isolation and testing of pure cultures, (29) 119. 

 isolation of fat from, (29) 459. 

 making, old-time method, (40) 834. 

 manufacture, (26) 358. 

 mixed cultures v. pure cultures, (29) 714. 

 new glucolytic ferment of, (28) 710. 

 nitrate reduction by, (33) 726. 

 nutriments in bread making, (36) 261. 

 nutritive value, (36) 464. 

 osmotic pressure and electrical conductivity of, 



(30) 523. 

 penetration of egg shells by, (29) 765. 

 preparation and utilization as food, (35) 2S6. 

 preparation of vitamin fraction, (3.5) 311. 

 production of alcohol by, (29) 714. 

 protein, examination, (36) 501. 

 protein substances of, (32) 803. 

 protein synthesis by, (27) 525. 

 proteoclastic enzyms, (39) 607. 

 pure, use in wine making, (32) 117, 208. 

 relation to iodin compounds, (29) 133. 

 relation to organic soil constituents, (29) 817. 

 resistance to disinfectants, (23) 478. 

 respiratory pigments of, (26) 325. 

 staining. Gram's method, (31) 478. 

 stimulation by poisonous substances, (27) 131. 

 storage of oxygen by, (28) 329. 

 symbiosis by various types of, (29) 714. 

 therapeutic action in polyneuritis, (30) 79. 

 thermal death point, (38) 468. 

 use in carbohydrate analysis, (35) 203, 315. 

 use in preparation of media, (40) 408. 

 use in wine making, (34) 207. 

 utilization in the human organism, (27) 168. 

 utilization of inulin by, (31) 224. 

 vitamin-fraction from, (29) 664. 

 vitamins, studies, (39) 667. 

 waste as feeding stuff, (34) 252. 

 wine, effects of salts on, (38) 503. 

 Yellow fever — 



investigations, (37) 357. 

 mosquito— see also Stegomyia. 



distribution and bionomics, (27) 656. 



early name, (36) 552. 



notes, (29) 653. 



occurrence in Russia, (33) 749. 

 Yellow- 

 jasmine, poisoning of cattle by, (34) 80. 

 necked caterpillar, notes, (27) 755; (39) 761. 

 rattle as a weed on arable land, (30) 141. 

 rattle, eradication, (40) 833. 

 rocket, eradication, (37) 742. 

 scale, notes, (23) 553. 

 Yerba mate — 



adulteration, (40) 558. 

 alkaloids in, (31) 358. 

 culture, (32) 142. 

 seeds, germination, (36) 445. 

 tea, analyses, (32) 856; (35) 663. 



