317 



Klli|.-..,i,| 93, 102. 



219, 220, 221, 290, 295. 

 ii 4(i, 47, 7 l ., 80, 199, 

 Jii7. 2IM), 261, 263, 265, 271, 296. 

 Knuntiomtirphisni (conditions oi) 46, 

 47, 79, 80. 



Enantiomorphous im-ms 34, 36, 46, 47, 

 107, 199, 256. 



Enantiomorphous molecules . . . 132. 



Bnantiomorphoua repeats 123, 131, 132. 



Bnantiomorphoua systems 34, 36, 46, 



47, 123, 128, 228, 234, 277. 



KiKintiotropy 191. 



Endless figures 110. 



Endospherical groups (of 1st order) 41, 

 43, 45, 73, 87. 



Endospherical groups (of 2nd order) 62, 



70, 73. 



Endospherical polyhedra 41, 42, 43, 44, 

 45, 46, 47. 



Enzyme-action (asymmetry of) 216 



219, 220, 284, 295, 298, 299. 



Enzyme-action (reversibility of) . 220. 



Enzyme-action (specific) 216219, 220, 



284, 290, 295, 296, 298, 299. 



Enzymes 2 16, 2 19, 220, 295, 296, 298, 299. 



Equality (of substitutes). . 260, 261. 



Equation (of interference-maxima) 145, 



146, 150. 



Equidistant planes 114, 115, 144, 145, 



146, 151. 



Equilibrium (of antipodes) 225, 226, 



280, 282. 



Equilibrium (chemical) 212, 225, 226, 

 280, 287, 299. 



Equivalence (of motions) 13, 32, 33. 

 Equivalence (of operations) 13, 32, 33. 

 Erlenmeyer Jr. (E.) . . 212, 255. 



Errera (G.) 161, 286. 



Etherification .... 289, 290, 291. 



#-Ethoxy-propionic acid 221. 



Ethyl-acetate 259. 



Ethyl -/>-azoxy-benzoate 169. 



Ethyl-/j-azoxy-cinnamate 169. 



Ethyl-#-bromo-propionate .... 227. 

 Ethyl-#-chloro-phenyl-acetate . . 293. 

 Ethylene-derivatives (symmetry of) 



255,256. 



Ethylencdiamine-derivative* 107, 208. 

 Mimne-sulphate . . . .181. 

 I tliyl-magnesium-bromide . . . .294. 

 Ethyl-magnesium i<>. : i, !. 294. 



Ethyl-piperidine ... 266. 



Kthyl-propyl-piperidoniuni iodidi- 



266, 267. 



Ethyl-trimethyl-amino-propionate . 227. 

 Etmosphaera siphonophora . . 68, 83. 

 Euler (L.) . . 18, 19, 28, 124, 127. 

 Euler's theorems 18, 19, 28, 124, 127. 



Euphorbia Wulfeni 156. 



Evans (C. de Brereton) . .266. 



Everest (A. E.) 254. 



Evolutionary development 54, 55, 195, 



196, 197. 

 Evolution (of forms) .... 54, 55. 



Ewald (P. P.) 143. 



Exceptions (to Pasteur's rule) 257, 

 258, 259, 260. 



Explanation (of crystallographical phe- 

 nomena) 133, 134. 



Extended theory (of Sohncke) 



129, 130. 

 Eyde (S.) 106. 



F. 



Faces (possible) 77, 78, 



Fajans (K.) . . . 218, 220, 295, 296. 

 Fedorow (C. E. Von) 10,74, 109, 123. 



130, 131, 132, 134. 



Fehl ing's solution 303. 



Feldspars 171. 



Ferments 216, 219, 284, 290, 295, 296, 



298, 299. 



Ferri-salts (photochemical catalysis by) 



301. 



Fibonacci 157, 160. 



Field (electrostatic) 94. 



Field (magnetic) 94, 95. 



Figures (stereometrical) 3, 12, 13, 14, 



15, 18, 19, 35, 46. 



Figures (symmetrical) 2, 3, 7, 8, 10, 13, 

 18, 19, 21, 32. 



Findlay (A.) 215, 216. 



Finite figures 16, 17, 18, 21, 27, 32, 



33, 109. 



