337 



Magnetic field (symmetry of) 96, 97, 109, 

 316,317,321. 



Magnetic induction 105. 



Magnetic polarisation 110. 



Magnetic susceptibility. . .249,321. 



Magnetism (terrestrial) 319. 



Malic acid 219, 231, 287,288, 290, 308. 



Mallard (E.) 144, 171, 175, 182, 184, 

 186, 187, 188, 189, 190, 191, 192, 

 196, 197, 198, 199, 200, 271,278, 280. 



Malonic acids (substituted) . . .321. 



Maltase 228. 



Maltose 228. 



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



Mamlock (L.) 294. 



Mandelic acid 229, 295, 297, 305, 306, 

 308, 309, 314,317. 



Mandelic acid (menthyl-amide of) 307. 



Mannino (A.) 221,222. 



Mannoheptonic acid 301. 



Mannose 301. 



Maquenne (L.) 262. 



Marckwald (W.) 218, 219, 229,232, 



235, 266, 295, 297, 305, 306, 307, 



308,309,315. 



Marie (Th. W. J. van) .... 206. 



Marsh (J. E.) 265,279. 



Martens (M. T.) 201. 



Martin (G. H.) 293. 



Maruki (T.) 211. 



Mastixea arbor ea 47. 



Mathematical treatment (of symmetry- 

 elements) 21, 29, 32, 58, 59, 66,67, 

 72, 73, 75, 76, 79, 80, 81, 119, 120, 

 121, 126, 127, 128, 135, 142, 143. 



Matter (crystalline) 45, 54, 55, 57, 58, 

 59, 78, 79, 80, 81,86, 87, 88, 101, 



102, 103, 104, 105, 113, 121, 132, 

 137, 138, 139, 140, 141, 144, 145 



157, 200. 



Matteucci (Ch.) 106. 



Mayer (P.) 225. 



Mayor (A.) 225. 



Measurements (independent) . . . 83. 

 Medium (physical) 94, 98, 99, 101, 102, 



103, 108, 109, 137, 145, 146, 158, 159. 



Medusae 3. 



Meier (A.) 227,312. 



Meisenheimer (J.) 242. 



Members (of a cycle) .... 160, 161. 



Membranes (vibrating) 3. 



Mendel (Gr.) 111. 



Menozzi (A.) 224. 



Menschutkin (N.) 308. 



/-Menthol 229, 297, 305, 306, 307, 310. 



/-Menthylamine 229, 308. 



/-Menthylbenzoyl-formate .... 309. 

 /-Menthylcinnamate ....... 306. 



/-Menthylcitraconate 306. 



/-Menthyl-isocyanate 257. 



/-Menthylmandelate 222, 306, 309, 310. 



/-Menthylmesaconate 306. 



/-Menthylphenylcrotonates .... 306. 

 /-Menthyl-phenyl-p-tolyl-acetate . 322. 



/-Menthylpyruvate 306, 309. 



Mercuric oxide 290. 



Mercury 144. 



Merohedrism 125. 



Mesaconic acid 306, 307. 



Meshes 116, 117, 118, 120, 121, 122, 164. 

 Mesotartaric acid. . . 254, 255, 256. 



Metabolism 302. 



Metal-atoms (partially asymmetric) 



249, 250. 



Metalplates (vibrating) 3. 



Metanilic acid , .227. 



Metastable forms. . . .199,207,315. 

 Meth (R.) . . .219, 229, 266, 308. 



Methane. . . 238. 



Methods (of fission) 206, 207,208, 212, 



216, 217, 218, 222, 223, 298, 308. 



Methods (of X-ray experimenting) 1 45, 



146, 147, 149, 150, 151, 152157. 



Methylcinnamate 317. 



Methylconiine 299. 



Methylbenzylaniline ...... 297. 



l-Methyl-cyclohexylidene-4-acetic 



acid 265. 



Methyl-ethyl-acetonitrile 318. 



Methyl-ethyl-cyano-acetic acid . .318. 

 Methyl-ethyl-malonic acid .... 307. 



Methylfumarate 317. 



a-Methylglycoside 227, 305. 



0-Methylglycoside 227,305. 



Methyl-iodide 202. 



AT-Methyl-a-pipecoline . . . . . .307. 



Methylmannosides 208. 



Methyl-phenyl-bromo-acetate . . 234. 

 Methylsuccinic acid. . . . . . .221. 



Meyer (J.) 316,317. 



Meyer (V.) 203,287. 



Meyerhoffer (W.) 207,231. 



Mica-lamellae 196, 318. 



Mica-piles . . . . . . .186, 196,278. 



Micro-organisms .... 205, 207, 222. 



Mikola (S.) 3. 



22 



