402 
Barfurth; regeneration, 89; 
straightening of the regener- 
ated tail of tadpoles, 307. 
Bathmism, 257, 258. 
Beale, Sir Lionel; 
the brain cells, 323. 
Begonia phyllomaniaca, 83. 
Bernard, Claude; anesthetics, 43; 
irritability, 298, 374; memory 
in the germ, 316; sensibility 
of the nervous substance, 333; 
characteristics of life, 337. 
Bert; transplantation of parts 
of the body, 90. 
Biogenesis of Oscar Hertwig, 
233. 
Biogenetic Law of Haeckel, 6, 
II, 77, 99, 221, 222, 240, 285, 
316, 356; significance, 13. 
Biogen hypothesis, 335. 
Biophores, 145. 
Blastomeres, shifting and isola- 
tion of, 80, 132, 133. 
Blood, transfusion of, 281. 
Blumenbach, 137. 
Bombinator igneus, 9I. 
Bonnet; regeneration in the sal- 
amander, Io. 
Born; transplanting parts of the 
body, 91, 114, 128; studies of 
growth, 116, 118, 119, 128. 
Brain, development of, 200. 
Brooding, 379. 
Brown-Séquard; inheritance of 
the effects of injury in guinea 
pigs, 166. 
Butterflies, color of scales of, 
174; Cope’s experiments upon, 
256. 
number of 
Callosities of tame camels, 165. 
Camels, callosities of, 165. 
Index 
Castle; acclimatization, 371 f. 
Cattaneo G. note, 165. Note, 
166. note, 181. 
Central Zone of Development, 
16, 25, 53, 61, 65, 77; structure 
of, 73; location of, 71, 73, 75; 
in plants, 71; formation of , 86. 
Centroepigeneses of second or 
higher degrees, 72. 
Cephalic monsters, 65, I14. 
Chabry; researches upon ascid- 
ians, 80. 
Chemical development, theories 
of, 149, 276. 
Chemotropism, 335. 
Chicken, instinct in the, 227. 
Chiracanthium carnifex, 379. 
Choice, 397. 
Chromatin, 78, 82. 
Chromosomes, 78, 354, 355. 
Clock, stopping of a, 382. 
Co-adaptation, 178. 
Coleridge; latent memories, 328. 
Colloidal ferments, 279. 
Compensatory growths, 47. 
Completion of development, Io1, 
120. 
Composite flowers, 72. 
Comte, August; Positivistic phi- 
losophy, 5. 
Conditions of inheritance, 286, 
300. 
Coordinated variations, 187, 210, 
214. 
Cope; likeness of certain struct- 
ures in different races, 205; 
useful variations, 209 ff; the- 
ory of inheritance, 256 ff, 314. 
Copulation, 366, 385. 
Correlation networks, 46, 47, 62 
ff. 
