Finite systems 16, 17, 18, 21, 27, 110. 

 Fischer (E.) 202, 206, 215, 217, 219, 



220, 221, 224, 227, 239, 247, 272, 



273, 275, 276, 280, 285, 286, 287, 



288, 290, 291, 292, 293. 



Fischer (P.) 172, 192. 



Fiske (P. S.) 295, 298. 



Fission (of racemoids) 200, 201, 202, 



203, 205, 209, 210, 214, 283, 284. 

 Fission (methods of) 200, 201, 202, 203, 



214, 216221, 283, 284. 

 Fission (spontaneous) 199, 201, 202, 



203, 205, 208, 209, 210, 266. 



Fitz Gerald (G. F.) 286. 



Fivefold symmetry . . . . . . . 35. 



Fixed point 14, 17, 111. 



Flatau (E.) 239. 



Flowers (symmetrical) . . 3, 54, 195. 



Fluid crystals 168, 169. 



Fluoro-chloro-bromo-acetic acid 237. 

 Fluoro-chloro-bromo-methane . . 237. 

 Fluorspar . . 72, 170, 179, 187, 188. 



Forces (molecular) 288. 



Formaldehyde 287, 288. 



Forms (simple) 85, 86. 



Forms (unrestricted) .... 85, 86. 

 Formula (structural) . 229, 256, 269. 



Fourfold symmetry 22, 35. 



Fox-glove 195, 196. 



Fraction (continuous) . . . 157, 164. 



Fractional crystallisation 211. 



Frankland (P. F.) 198,200,221,254, 

 272, 274, 276, 277, 286, 289. 



Fraxinus 59. 



Frequency-curves 103, 108. 



Fresnel (A.) 180. 



Frohlich (E.) 227, 233. 



Friedel (C.) 141. 



Friedel (G.) ... 97, 134, 174, 252. 



Friedrich (W.) 97, 143. 



. Friman (E.) 146. 



d-Fructose 284, 285. 



Fruits (multiple) . 156, 157, 161, 163. 

 Fruits (symmetrical) .... 36, 40. 



Fumaria spicata 46, 54. 



Fumaric acid ......... 294. 



Fundamental domain . . . 131, 132. 

 Fungi 295. 



Furnaces (Birkeland-Eyde-) . . 106. 

 Fylfot-symbols 36. 



G. 



Gadamer (J.) 226, 276. 



Gadolin (A.) 73, 75, 78, 82, 83, 84. 

 Gaertner (J.) .... 58, 59, 60, 61. 



Galactose 220. 



Galeopsis dubia 54. 



Garnet ....... 179, 187, 188. 



General character (of axes) 2.1 , 22, 49,50. 



General deduction (of theorems) 26, 30, 



49, 50, 51, 52, 53, 66. 



General operations (of 2nd order) 16, 



23, 29, 49, 50. 



Generatrix . . . . 156, 157, 159, 160. 



Geometrical centre . 14, 17, 21, 111. 



Gerald (G. F. Fitz) 286. 



Gernez (D.) . . . 206, 207, 209, 223. 



Glaserite 192. 



Glocker (R.) 143. 



Gloriosa superba 59. 



tf-Glucosides 221. 



0-Glucosides 221. 



Glutaminic acid 218. 



Glycerinic acid ...... 273, 289. 



Glycerose 287. 



Glycocoll 207. 



Glycose 220, 282, 284, 285. 



Goethe (J. W.) 155. 



Gold 140. 



Golden section 157, 158, 159, 164, 195. 

 Goldschmidt (H.) . . . . 201, 281. 



Goldschmidt (V.) 87, 172. 



Goold (J.) 3. 



Gore (G.) 103. . 



Gossner (B.) 192. 



Grandjean (F.) 168. 



Graphite (structure of) 153, 154, 277. 



Gratings . 142, 143, 146. 



Gravitation-centre .... 238, 239. 



Groh (R.) 275. 



Groth (P. Von) 134, 135, 141, 153, 

 184, 193, 244, 246, 259. 



Group (definition of) 33. 



Group (finite) 33, 51. 



Groupings (of crystals) . . 167, 168. 



