336 



Krause (E.) . 202. 



Kreutz (St.) 76, 279. 



Kruyt (H. R.) 211. 



Kiister (F. W.) 221. 



L. 



Lacroix (A.) 180. 



Labiates 55. 



Lack (of stability) 203. 



Lack (of symmetry-elements) 105, 108, 



109. 



Lactase 228. 



Lactic acid . . 219, 287, 304, 309. 



Lactones (gulonic) 212. 



Ladenburg (A.) 211, 219, 221, 222, 



254, 257. 



Lame (G.) 162. 



Lamellae (intergrown) . . 186 199. 



Lamellae (twinning-) . . . 186200. 



Lamellar aggregation 186, 189, 191, 



194, 195. 



Lamium purpureum 55, 56. 



Landolt (H.) 206. 



Lassaulx (A. Von) 182. 



Lateral growth 167. 



Lane (M. Von) 79, 100, 112, 146, 147. 



Laudanine 299. 



Lavizzari (L.) 89. 



Law (Hauy's) 78, 79, 80, 83, 118, 



121, 137. 



Law (Pasteur's) 82, 204, 236, 282, 284. 



Layercrystals. . 230. 



Lead -derivatives (organic) .... 202. 



Lecture-experiments (on superposition) 



106, 107. 



Lead-dithionate 184, 186. 



Leadhillite 174. 



Leadnitrate 184. 



Leaves (disposition of) . . 160 170. 



Leaves (symmetry of) 55. 



Le Bas (G.) 139. 



Le Bel (J. A.) 157,204,206,234,237, 

 238, 241, 242. 243, 244, 245, 253, 

 262, 269, 277, 282, 283, 285, 290. 



Le Chatelier (H.) 190. 



Lehmann (O.) 173, 174. 



Lenander (K. J.) 289. 



Leonardo Pisano 162. 



Leonardo da Vinci 163. 



Leptocyathus elegans 63. 



Leucine 224. 



Leucite .... 184, 190, 191, 193. 



Leucylglycine 227. 



Levi-Malvino (M.) . . . 221, 222. 



Levulose 214. 



Lewis (J. V.) 263, 264. 



Lewkowitsch (J.) 234. 



Lichtenstadt (L.) 242. 



Liebermann (C.) .... 267, 269. 



Liebig (J. Von) 300. 



Liebisch (Th.) . . . 105, 231, 278. 



Life-phenomena 203, 298, 302, 303, 304. 



Light-absorption (of antipodes) .211. 



Limit-forms 122. 



Limits (of axial periods) 77, 78, 79, 80, 



81, 83. 



Limit- value 163, 165, 169. 



Limonene 226, 296, 297. 



Linck (G.) 185. 



Linden (T. Van der) 211. 



Lines (of force) . . .96, 97, 108, 109. 



Lines (of ^-ray-spectra). . . 151, 152, 



Lipase 227, 228,311. 



Liquids (anisotropous) . . . 174, 175. 



Lissajous (A.) 3. 



Literature (on symmetrical arrange- 

 ment) 75, 76. 



Literature (on morphological applica- 

 tions) 70. 



Livens (G. H.) 286. 



Living nature (symmetry in) 70, 71, 

 165, 200,300,312. 



Loeb (J.) 57. 



Loevenhart (A. S.) 228. 



Logarithmic spirals. . . 167, 168, 170. 



Loon (Ch. van) 257, 286. 



Lorentz (H. A.) . . . . 97, 108, 186. 



Loven (J. M.) 219. 



Lupeon 272. 



Luteo-cobalti-salts 110. 



Lutz (O.) 289. 



Luzula, campestris 47 . 



Luzzatto (R.) 299. 



M. 



MacCutcheon . 

 MacDowell. 

 Mach (E.). . . 

 Macht (D. I.] 



232. 



320. 



5, 6. 



225. 



MacKenzie (A.) 227, 229, 234, 288,292, 

 295,297,305, 306,309,311. 



Madelung (A.) 189. 



Magnesium (crystalform of) . . .144. 

 Magnesiumsulphate . . . 270, 279, 280. 



