532 



INDEX. 



Matter, Theories of, 165 ; perfectly 

 hard atoms, 166; centres of 

 forces, 16(5 ; heterogeneous 

 structure, 82, 166, 167 ; vortex 

 atoms, 167 ; aggregate of elec- 

 tric charges of opposite sign, 168. 



Maupas, 891 ; his experiments, 394. 



Maurer, 298. 



Maxwell, see Clerk Maxwell. 



Mayer, 148 ; Sun's heat, 208. 



Mayow, 77. 



Measurement, the beginning of 

 science, 898, 430. 



Mechanical theory of heat, 140. 



Mechanism and vitalism, 328. 



Meckel, 336, 376. 



Meinecke, 88, 108, 113. 



Meldola, 106. 



Memory, 469 ; organic, 404. 



Mendelejeff, 73, 88, 95. 



Mendelejeff, periodic law, 106, 109 ; 

 prophecies, 111. 



Mering, on pancreas, 294, 296. 



Merogony, 390. 



Merz, quoted, 134, 148. 



Metabolism, 319. 



Metal ages, 481. 



Metaplasm, 316. 



Metchnikoff, 297. 



Meteoric theory, 184, 208. 



Meteorites, 237. 



Meteoritic hypothesis, 222. 



Meteors, 187. 



Meyen, 355. 



Meyer, E. von, quoted, 214, 275. 



Meyer, Lothar, 88, 111 ; periodic law, 

 109. 



Meyer, O. E., 150. 



Michel, 396. 



Michel-Levy, 275. 



Michelson, 155. 



Microscope, its influence, 853. 



Microscopic analysis, 270. 



Miescher, 315. 



Milky way, 199. 



Mill, H. R., on geography, 276. 



Miller, spectroscopy, 214 ; stellar 

 spectroscopy, 217. 



Milne, seismology, 255. 



Milne -Ed wards, Henri, division of 

 labour, 295. 



Mind and body, correlation of, 444. 



Mind, evolution of, 470. 



Minkowski, on pancreas, 294, 296. 



Mirbel, 355. 



Missing links, 349. 



Mitscherlich, 94, 274. 



Modifications or acquired char- 

 acters, defined, 412, 434 ; indirect 

 importance of, 420. 



Mohl, see Von Mohl. 



Moissan, 78. 



Monakow, Von, 307. 



Montgomery, quoted, 606. 



Montlosier, 253. 



Moon, study of the, 202; origin of 

 the, 236. 



Morgan, C. Lloyd, 418, 421. 



Morgan, T. H., experiments on eggs. 

 383, 388, 389, 396. 



Morphology, 329 ; history, 332 ; 

 methods, 332 ; foundations of. 

 333 



Mortillet, Gabriel de, 263. 



Mountain-making, 257. 



Miiller, E., 896. 



Miiller, Fritz, 376. 



Miiller, Johannes, 29, 290, 326, 837, 

 856, 445; foundation of com- 

 parative physiology, 297 ; influ- 

 ence on physiology, 285; motor 

 and sensory nerves, 303 : specific 

 energy of the senses, 303, 451. 



Munk, 304, 310. 



Munro, Robert, quoted, 478 ; on 

 man's erect attitude, 493. 



Murchison, Sir Roderick, 249, 262. 



Murray, Sir John, 269; quoted, 235, 

 239 ; oceanography, 278. 



Myxoedema, 291. 



N. 



Nftgeli, 338, 356, 358, 359, 427. 

 Nansen, 262 ; on nerves, 308. 

 Nasmyth, 202. 

 Natural History, 287 ; old and new, 



288. 



Natural Law, meaning of, 52. 

 Natural Selection, 435 ; discriminate 



and indiscriminate, 438. 

 Nebulas, 189, 195. 

 Nebular hypothesis, 220. 

 Necrology, danger of, 288. 

 Neison, 202. 

 Neolithic, 480. 

 Neptune, discovery of, 184. 

 Neptunists, 232. 



Nerve-cells, their complexity, 307. 

 Nerves, sensory and motor, 301, 802, 



803. 



Nervous arc, 463. 

 Nervous mechanism, 460. 

 Nervous tissue, 301. 

 Neumann, 115. 

 Neuroblasts, 305. 

 Neuron-Theory, 306. 

 Newcomb, 155. 

 Newlands, Law of Octaves (1863-4), 



109. 

 Newtonian foundation of physics, 



133 



Nicholson, 127. 

 Nicol, William, 271. 

 Nilson, 73. 



Nilson, discovery of scandium, 112. 

 Nissl, 306, 308. 



