348 



Walden (P.) 206, 220, 234, 248,269, 

 271, 272, 284, 286, 287, 288, 289, 

 290, 291, 292, 293. 



Walker (J.) 219, 321. 



Walker (J. W.) 219. 



Wallach (O.) 265, 266. 



Wallerant (F.) 134, 173, 188, 196, 



200. 



Walter (B.) 146. 



Water (as solvent) .... 293, 295. 



Wave-length (of R on t gen-rays) 

 146, 147, 148, 149, 150, 151, 152. 



Wedekind (E,) . . . 236, 241, 297. 



Weiss (R.) .311. 



Wedekind (O.) 297. 



Weltzien (W.) 299. 



Werner (A.) 159, 206, 214, 216,220, 

 226, 232, 233, 235, 242, 248, 250, 

 251, 252, 253, 255, 261, 264, 273, 

 279, 280, 290, 291, 294. 



Whiteley (C. E.) . . . . 



Widdows (S. T.) . . . . 



Wiedemann (G.) .... 



Wien (W.) 



Wiesner (J.) 



Wiik (F. J.) 



Wilberforce (L. R.) . . . 



Williams (C. M.) . . . . 



Winckler (H.) 



Wind (C. H.) . . . - . . . 



Windaus (A.) 221 



Winmill (T. F.) 



Winther (Ch.) 



Wislicenus (J.) 



306, 307. 

 . . . 311. 

 . . . 106. 

 . . . 146. 



162, 163. 

 . . .231. 

 . . . . 3. 

 . . . 147. 

 . . . 163. 



145, 146. 



, 222, 273. 



. . . 242. 



. . . 220. 



. 261. 



Witherite 179. 



Wohler (F.) 300. 



Wohlgemuth (J.) 225. 



World (mirror-image of). '. . 304,319. 



Wren (H.) 234, 292, 309. 



Wright (E. F.) 89. 



Wulfenite 35. 



Wulff (G. W.) 31, 32, 75, 138,148, 

 164, 165, 170, 189, 196. 



Wulff (L.) 126. 



Wurtz (A.) 177. 



Wynne (W. P.) 289. 



Wyrouboff (G.) 186, 188, 189, 196, 

 197, 207, 262, 263, 271, 278. 



Y. 



Yeast . 223, 224,226, 227, 228, 305. 

 Yeast (ferments of) 126.227,228,305. 



Zelinsky (N.) 



Zeolithes 



Zepharovitsch (V. Von) 

 Zinc-ammonium-lactate . . 



Zinc-blende 



Zinc-dimethyl 



Zinc-lactate 



Zinc-oxide 



Zinc-sulphide. . 144, 156, 



Zircone 



Zone (of growth) 



Zymase 



. . .209. 



181, 182. 



263, 264. 

 . . . 212. 

 . . . 174. 

 . . . 202. 

 . . . 287. 

 . . . 144. 



157, 174. 

 . . . 69. 



167, 168. 

 . 226. 



