INDEX OF SUBJECTS. 



999 



Wool-Coiuimied. Page. 



industrj' in United States 870 



investiy:ations, Okla 568 



production in Australasia 372 



statistics 871 



Woolly aphis. (See Aphis, woolly.) 



Work, oJlect on yield and fat content of milk . ■<7.'» 



Workingmen. {See Laborers.) 



Worms, parasitic, dispersal of eggsofby Hies.. 058 



Wormseed, notes, U.S.D. A 145 



Wort, osmotic pressure and electrical con- 

 ductivity of .''23 



Wurttemberg Cheese School and Experiment 



Station 898 



Wyoming Station- 

 notes 700 



report 097 



Xanthin bases, determination in cocoa, tea, 



and coffee 810 



Xanthium canadcnse, variations in 7-0 



Xanthium seed- 

 coat, investigations 132 



germination, r6lo of oxygen in 629 



Xanthogramma scutellaris, notes 150 



Xenia — 



in pears 740 



in wheat 235 



XenoparasitLsm, structm-al relations in 223 



Xylcborus (Anisandrus) dispar, notes 101 



Yacon, culture experiments 040 



Yams — 



fertilizer experiments 525 



insects affecting 546 



varieties 525 



Yeast— 



assimilation of atmospheric nitrogen by. . 029 



cleavage of methyl glucosid by 1 1 



combination as a feeding stuff 565 



culture and tests 712 



development in various mediums Ill 



dried, enzyms of 504 



Yeast— ronlinued. Page. 



dried, for horses 175 



examination 669 



forms of in wlno 711,712 



osmotic pressure and electric-al con- 

 ductivity of 523 



theTupeu tic action in ixjiyneurltls 70 



Yellow ralllo as a weed on arable land 141 



Yorkshire fog, notes 434 



Y'psolophus liffuUtliu. (See Palmer-worm.) 



Zanthozylum sj)p., notes, U.S.D. A U5 



Zebras, hybridization experiments 270 



Zfbus— 



crosshig with cattle in Tunis 507 



digestion experiments 508 



half-bred, milk production 74 



Zein, utilization 316 



Zcitschrift fiir .\nalytLscho Chemle, indox 117 



Zeolites, soil, properties of 23 



Zcuzcra pyrina. (Sec Leopard moth.) 



ZicTona cxrulea, notes 459 



Zinc— 



arsenite as a substitute for lead arsenate. 53 



arscnite, tests, Mass 150 



assimilation by Aspergillus niger... 523,030,824 



silicofluorid as a wood prcsers'ativo 646 



sulphate, efTect on i)lant growth 130 



sulphate, fertilizing value 027 



Zodiacal light, U.S.D.A 713 



Zonocerus tif^ari^, remedies 54 



Zoology— 



agiicultural, Icxt^book 248 



Canadian, bibliography 52 



economic, treatise 52 



Zootecliny, treatise 170,174 



Zygadenin— 



notes 412 



notes, Wyo 412 



Zygadcnus intcrmedius, analyses 412 



Zygosaccharomyccs spp. in wine 711 



Zygotaxis, notes 328 



Zymin, enzyms of '"4 



