1916] 



INDEX OF SUBJECTS. 



995 



Wood — Continued. Page. 



of Ohio 147 



of Pacific coast, handbook 649 



preservation 84,*5 



pulp, ground, notes, U.S.D.A 114 



tr'ansverse strength in 347 



using industries of West Vir- 

 ginia 44 



vinegar, condensation 347 



waste, utilization 74S, 843 



waste utilization, treatise 148 



(See also Lumber and Timber.) 



Woodlands of Guiudos hacienda in 



Chile 842 



Woodlot products, marketing, 



U.S.D.A 147, 4.53 



Woodlots — ■ 



county or community working 



plans 841 



farm, handling 242 



in United States 746 



Woodpeckers, British, food habits 4G0 



WoodworKJng problems 298, 898 



Wool- 

 fertilizer, tests 126 



scouring and dyeing 375 



studies, Ohio 477 



wax, analyses 203 



Woolly aphis. (See Ap'iig, woolly.) 



Worms in hogs, treatment 488 



Wound parasitism and predisposition 



in plants 347 



Wounds, treatment 882 



Wyoming University and Station, 



notes 98 



Wyomingite, composition 503 



Pago. 

 Xanthlum, peculiar modification of 



burs in 227 



Xanthosoma — 



storage rots, U.S.D.A 750 



varieties 134 



Xenia — 



in walnuts 449 



in white mustard 335 



Xestopsylla gallinacea, notes 58 



Xylaria vaiians n.sp., description 244 



Yams, varieties 134 



Yarrow, volatile oil of 807 



Y'east — 



dried grains, analyses, N.Y. 



State 867 



effect on protein formation 634 



growth in arsenic solutions 281 



preparation and utilization as 



food 266 



preparation of vitamin frac- 

 tion 311 



use in carbohydrate analysis. 206, 315 



Yoghourt bacillus, studies 278 



Zaommoencyrtus submicans n.g. and 



n.sp., description 761 



Zein, nutritive value 368 



Zelia — 



vertebrata, notes 259 



icildermvthii n.sp., description. 259 

 Zeuzera pyrina. (Sec Leopard-moth.) 



Zignoella garcinice, notes 153 



Zodiacal light and counterglow, pho- 

 tography of, U.S.D.A 618 



Zymase in potatoes and sugar beets. 634 



o 



