320 



IN0EX 



Wottschal, see Votchal. 



Wounding, traction and pressure influencing 

 growth, 270-275; wounding and metabolism, 

 131, 165, 167, 193, 206; and responses, 268, 269. 

 270. 



Wulfert, on determination of nitrates, 163. 



X 



Xanthin, I47f IS8, 160-162. 

 Xanthophyll, 6, 20. 

 Xanthoproteic reaction, 141, 

 Xerophytes, 233. 

 Xylem, 130, 131, 138. 

 Xylose, 171. 



Yarrow (see also Achillea) ^ 246. 



Yeast (see also Saccharomyces), 40, 41, 44, 75. 147-' 



ISO, 152, IS4» 155. 181, i8s, 188, 229, 294; Mu- 



cor yeast, 230, 231. 

 Y^gounow, see Yegunov. 

 Yegunov, on sulphur bacteria, 47. 

 Young, see Harden and Y. 



Zaleski, see Zaliesskii. 



Zaliesskii, on phosphoproteins, 147; on respiration, 

 153; on nucleo-proteins, 158; on proteinfonna- 

 tion, 163, 165, 166 ; in seeds, 159 ; on protein de- 

 composition, 159; on phosphorus compoundsin 

 seeds, and on phosphoproteins. 159; on sprout- 

 ing of onion bulbs, 164; on ether and transfer 

 of substances, 165 ; on ammonia formation, 159, 

 165. 166; on nucleic acid in germinating seeds, 

 166; on carboxylase, 186; on stimulation of re- 

 spiration, 193 ; Z. and Reinhardt, on respiration 

 and salts, 194. (See also Nentskii and Z.) 



Zdobnicfa^, see Stoldasa and Z. 



Zea (see also maize), 144, 169, 223. 



Zein, 143. 



Zimmermanni on microtechnic, 84. 



Zinc, 76* 81, 112, 148; chloride, 104, sulphate, 44, 

 112. 



Zoospores, 294. 295. 



Zygnema, iii. 



Zygomorphic flowers, 265. 



Zymase, 148, 152, 154. 182, 204, 206. 



Zymin, 152, 154. 184. 



