324 



Amethyst . , 230. 



Amino-acids 227, 290, 291. 



/?-Aminobenzophenone 226. 



Amino-diphenyl-alkylcarbinol . . 226. 



Aminoff (G.) 147. 



Aminosuccinic acid (hydrochloride) 287. 



Ammonia 288, 289, 298. 



Ammoniumbimalate 209. 



Ammoniumbromo-camphor-sulphonate 



218. 

 Ammonium-chloro-iodo-methane- 



sulphonate 246. 



Ammoniumlithium-sulphate 186, 187. 



Ammoniummalate 231. 



Ammoniumphenyl-amino-acetate . 293. 

 Ammoniumphenyl-chloro-acetate . 293. 

 Ammoniumracemate ... 208, 223. 

 Ammoniumsodium-racemate 204, 207, 



213. 



Ammoniumsodium-tartrates . . . 296. 

 Ammoniumtartrate . 213, 228, 231. 



Ammonium zinclactate 212. 



Ampere (A. M.) 107. 



Amphibole 64. 



Amphithetras elegans .... 65, 69. 



Amplitude 153, 154, 155. 



J-Amylalcohol 295, 304. 



y-Amylalcohol . . 318. 



/-Amylbromide 235. 



act. Amylbenzoyl-formate . . . .316. 



act. Amylcarbamate 232. 



J-Amylcinnamate 306. 



Amylglycerate 305. 



Amyl-iodide 307. 



Amyllactate 304. 



Amylmandelate 317. 



l-Amyl-3-nitro-phtalic ether . . . 232. 

 2-Amyl-3-nitro-phtalic ether . . . 232. 

 Amylnitrosobenzoate . . . . . .318. 



Analcite 182, 184, 192, 193. 



Analytical expression 10, 154, 155, 162, 



163, 169, 234. 



Ananassa saliva 161, 162, 164, 166, 169. 



Anaxonia 70. 



Angle (characteristic) . 14, 20, 22, 23. 



Angle (enclosed) 27, 28. 



Angle (glancing-) . . . 149, 152, 155. 



Aniline (as solvent) 312, 313. 



Aniline (substitution-products of) 201. 



Animals (symmetry of) 3, 35, 36, 46, 



47, 56, 57, 60, 61, 62, 63, 65, 69, 



70, 169, 201. 



Anisaldazine . . 173. 



Anisotropy (of liquids) . . 173, 174. 



Annona tripetala 70. 



Anomalies (geometrical) 185. 



Anomalies (optical) 178, 182, 184, 185, 



186, 187, 188, 189, 244, 260, 264, 



265, 269. 



Antipodes (crystal-forms) . . 205, 269. 



Antipodes (physical properties) 208, 209, 



210, 211, 212, 217, 237. 



Antipodes (resolution into) . 206, 207, 



208, 209, 210, 211, 212, 213235, 



248, 282, 



Antirrhinum mains 201. 



Antoni (W.) 226. 



Apatite 64, 184. 



Apex (growing) 167, 201. 



Apophyllite 184, 192, 193, 194, 195. 

 Apparent symmetry 122, 123, 171, 



176183, 197200. 



Appiani (G.) 224. 



Approximate forms . . 122, 123, 175. 

 Approximate symmetry 122, 123, 

 175_199. 



Arabinose 299. 



Aragonite 176, 178, 179. 



Architecture (symmetry in) . . . 2, 3. 



Aristotle 8. 



Armstrong (E. F.) 228. 



Armstrong (H. E.) 290. 



Arnold (A.) 267. 



Arrangement (atomic) 237, 243, 250, 

 252, 254, 255, 256292. 



Arrangement (periodical) 136, 137, 153, 

 154, 156, 157, 159, 160, 161. 



Arrangement (symmetrical) 2, 3, 7, 18, 

 111, 114, 123, 124, 129, 130, 131, 

 132, 133, 135, 136, 138, 140, 142, 

 143, 153, 154, 156, 157, 159, 160, 

 161, 243, 244. 



Arrhenius (S.) . . . 250, 252, 290. 



Arsenic 144. 



Arsonium-compounds (asymmetric) 242. 



Art (role of symmetry in) 2, 3, 4, 5, 6, 



7, 8, 9. 



Artificial synthesis 298, 300, 301, 304. 



Aryl-lead-deiivatives 202. 



Aryl-stannum-derivatives .... 202. 



As chan (O.) . . 231, 241, 242, 260. 



Ascidiae 55, 60, 61, 63. 



Asparagine ... 212, 213, 224, 299. 



Aspartic acid . . 287, 288, 289, 290. 



Aspergillus Wentit 227. 



Aspidistra elatiov 61. 



