1816 



EXPERIMENT STATION RECORD. 



Yearbook of zoology 1155 



Yeast as affected by mineral salts 832 



various substances 127 



compressed, adulteration 764 



carbon dioxid value of . 295 



compounds of 295 



enzyms in 324 



extracts, effect on gastric juice 766 



studies 1061 



nitrous anhydrid in 764 



pure, fermenting power, U.S.D.A 1027 



separationof carbohydrates by. 9 



Yebb nuts, analysis 170 



Yoghourt, investigations 778, 1076 



York gum, strength of 43 



Zebras, taming and use 172 



Zein, biochemical function of 705 



hydrolysis 1006 



nitrogen of 705 



Zeuzerea coffex, remedies 1056 



Zinc chlorid as a wood preservative 1148 



U.S.D.A. 849 



sulphate, effect on plants 1127 



Zirconium salts, toxicity of 831 



Zonocerus elegans, notes 452 



Zoological congress, international 98 



laboratory at Amani, work 352 



research in China 551 



Zoology, bibliography 1155 



for foresters, handbook 156 



international catalogue 1058 



medical and veterinary, index- 

 catalogue, U.S.D.A 52, 157, 660 



yearbook 1155 



Zootechnical station at Sao Paulo 598 



Zur as a fermented food 165 



Zwieback, determination of soap in 308 



preparations, examination 458 



Zymoids, studies 107 



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