526 



INDEX. 



Berzelius, 71, 80, 87, 98, 127, 128, 274 ; 

 isomerism, 101 ; radical theory, 

 102. 



Bessel, measurement of the distance 

 of a star (1838), 191; quoted, 

 190, 193. 



Bethe, experimental study of in- 

 stincts, 458. 



Bichat, 312, 355 ; Anatomis Gene- 

 rale, 301, 331 ; on correlation, 

 295 ; on tissues, 286. 



Biedermann, 306. 



Binet, beliavior of Protozoa, 458. 



Biogenesis, law of, 50. 



Biogenetic law, 375. 



Bioraetrika, 431. 



Bionomics or (Ecology, 289. 



Bischof , 271, 371. 



Bode's Law, 183. 



Bothlinglc, 262. 



Boisbaudran, Lecoq de, 73 ; discov- 

 ery of Gallium, 112. 



Bois-Reymond, 300. 



Boltzmann, 149. 



Bonney, quoted, 253. 



Bordage, 396. 



Born, 391 ; experimental embryo- 

 logy, 386. 



Boscovich, theory of matter, 166. 



Boveri, 373, 403 ; his remarkable ex- 

 periment, 389. 



Bower, 344. 



Boyle, 88. 



Bradley, 191 ; velocity of light, 155. 



Brain, 305. 



Braun, Alex., 338. 



Brewster, Sir David, 213. 



Brine-shrimps, experiments on, 419. 



Broca, on brain localisation, 445. 



Brongniart, 234, 249, 344. 



Bronn, 249, 262, 351. 



Brooks, 402, 404. 



Brown, Robert, 338, 356. 



Briicke, 300, 358; complexity of 

 cell-substance, 316 ; Elementar- 

 organismen, 361. 



Brttckner, 264. 



Buch, Leopold von, 252, 257, 262. 



Biitschli, 360, 364, 371 ; structure of 

 emulsions, 361. 



Bufifon, 225. 



Bunge, 294; quoted, 303, 323, 324, 

 326, 452. 



Bunsen, 98, 117, 272 ; radical theory, 

 102 ; spectroscopy, 214. 



Burdon-Sanderson, Sir John, 300 ; 

 on Johannes Miiller, 290 ; on 

 protoplasm, 317. 



Burgd, 300. 



Butler, Samuel, 404. 



Cailletet, 95, 96. 



Caird, John, on the unity of science, 



on the progressiveness of sci- 

 ence, 43. 

 Caiori, quoted, 141. 

 Caloric, 142. 

 Campbell, 344. 

 Cannizzaro, 88. 

 Carbohydrates, 318. 

 Carlisle, 127. 

 Carnelley, 111. 

 Carnot's work on heat, 144, 

 Carnoy, 360. 

 Carpenter, 202. 

 Cataclysmal school of geologists, 



225. 

 Cathode rays, 164. 

 Cauchy, heterogeneity of matter, 



171. 

 Cavendish, 77, 127, 159, 161. 

 Cells, 286, 300, 313, 331 ; discovery 



of, 354. 

 Cell, or unit area of living matter, 



48 ; defined, 363 ; complexity of, 



316. 

 Cell-division, 362. 

 Cell-lineage, 375. 

 Cell-structure, 360. 

 Cell-substance, structure of, 360. 

 Cell-Theory, 311, 331, 356, 369, 397; 



stated, 286, 311 ; its importance, 



359. 

 Centres of force, 166. 

 Centrosome, 860, 372 ; of the animal 



cell, 49. 

 Centrosphere of the earth, 238. 

 Cerebral localisation, 310. 

 Ceres, 183. 



Challenger expedition, 269, 279. 

 Chains, 185. 

 Chamberlin, 266. 

 Charles' Law, 89. 

 Charpentier, 260, 

 Chemical affinity, 125. 

 Chemistry, fundamental problem 



of, 72. 

 Chromatin, 360. 

 Chun, 384. 



Circulation of Matter, 120. 

 Classification, problem of, 107. 

 Clausius, 93, 119, 148, 149, 171. 

 Clerk Maxwell, 93, 149, 156, 157, 158, 



184 ; definition of conservation 



of energy, 139 ; on energy, 137 ; 



dynamical theory of gases, 



171 ; theory of electricity, 162. 

 Clerke, A. M., quoted, 187, 188, 190, 



192, 194, 204. 

 Coal, 268. 



Coal-tar products, 98. 

 Cohn, 358, 364. 

 Colding, 139, 146. 

 Combustion, 76. 

 Comets, 186. 

 Comte, classification of the sciences, 



26 ; conception of sociology, 498. 



