324 



Miiller (W.) 202. 



Multiple fruits . . 156, 157, 161, 163. 

 Multiplication (of parameters) . .137. 



Muscles 155. 



Muscovite 169. 



Mutation (retrograde) ^ 196. 



Mydriatic action (of atropine) . .218. 

 Myristica fragrans 284. 



N. 



Natrolithe 185. 



Natural synthesis 283, 285, 286, 287, 

 289, 295, 299. 



Nature (living) 110, 155165, 194, 195, 

 196, 197, 285, 286. 



Navicula dichyma 64, 68. 



Naumann (C. F.) 72. 



Nef (J. U.) 227, 277. 



Nernst (W.) 238. 



Net-plane 112, 114, 144, 145, 146, 149, 



150, 151, 159, 160, 164, 165. 



Net-work. 113. 



Neuberg (C.) . . 212, 218, 284, 285. 



Neufville (K. de) 252. 



Neville (A.) 233. 



Newton 3. 



Nicotine 218, 219, 283, 284, 296, 297. 



Nickel-salts (complex) 107. 



Niggli (P.) 143. 



Nitrobenzene (as solvent) .... 297. 

 <35-Nitro-camphor (sodium -salt) . . 273. 

 Nitrogen (pentavalent) 227, 232, 238, 



267. 



Nitrogen (trivalent) 233. 



Nitro-group 135. 



Nitrosyl-bromide 274, 278. 



Nitrous acid 274, 276, 278. 



Nold (A.) 123. 



Nolda (E.) 224, 227. 



Non-equivalence (of motions) 13, 33, 



51, 80. 



Non-equivalent operations 13, 33, 49, 

 50, 51, 80, 110. 



Non-resolvable isomerides .... 249. 

 Non-resolvable molecules .... 244. 

 Non-superposable configurations 199, 



211, 228, 234, 260, 261, 268, 296. 



Non-superposable hemihedrism 46, 47, 

 199, 207, 256, 262, 268. 



Nordenskjold (G.) 167. 



Normal substitutions 276. 



Nucleus (of crystallisation) . . 206, 



207, 210. 



Number (of stereoisomerides) . . . 246. 



Number (of symmetrical operations) 44, 



51, 80, 90. 



Numerical data (statistic) . 107, 108. 



0. 



Oak-leaf 6, 7, 54. 



Octahedron .... 42, 85, 86, 148. 



/-Octyl-alcohol 291. 



/-Octyl-rf-tartrate 291. 



Olie Jr (J.) 143. 



Olivine 67. 



One-sidedness (of nature) . . 36, 285. 

 Ontogenetic explanations . 160, 161. 



Open-chain derivatives 249. 



Operations (symmetry-) 13, 14, 15, 21, 



23, 32. 



Optical activity 181, 182. 



Optical anomalies 179, 180, 182, 184 



192. 



Optical antipodes (affinity of) 279, 280, 



283. 



Optical antipodes (crystal-forms of) 1 99, 



256268. 



Optical antipodes (properties of) 199, 

 201, 202, 211, 218. 



Optical antipodes (stability) 217, 218, 

 219, 220, 224, 225, 226, 227. 



Orchidaceae 54, 195. 



Order (1st) 12, 13, 19. 



Order (2nd) 14, 19. 



Organisms (living) 3, 34, 44, 53, 55, 69, 



154, 155, 156, 157, 158, 159, 160, 201, 



217, 219, 221, 278, 299. 

 Organs (disposition of) . . 154 165. 

 Origin (of active matter) 289, 299304. 

 Orophocrinus stelliformis . . . 60, 64. 



Orpiment 169. 



Orthogonal intersections . . 161, 163. 

 Orthorhombic symmetry .... 67. 

 Orthostichies . .155. 



