Bichat, 2, 349 Bickford, E. E., 169 Blaauw, H. A., 263 Blackman, F. F., 302 Blastomeres, 141 ff. Blind animals, 319 ff. Blood, transfusion of, 53 ff. Blood relationship, established by transfusion, 53, 54 ff.; precipitin reaction, 55 ff.; anaphylaxis reaction, 61 ff.; hemoglobin crystals, 64 ff. Blood serum, precipitin reaction of, 54 ff.; effect of, on unfertilized eggs, 101 ff., 124 Blowfly, heliotropism of larvæ of, 265 ff. Bohn, G., 253, 264, 269 _Bombinator igneus_, 46 _Bonellia_, 215 Bonnet, 154, 161 Bordet, 54 ff., 60 Bouin, 158, 225 ff. Boveri, Th., 8, 126, 128 ff., 134, 138 ff., 150 ff., 186 ff., 209 ff., 246 _Brachystola_, 199 Bradley, H. C., 27, 64, 353, 354 Brandt, 366 Braus, H., 147 Bridges, C. B., 208, 229, 231 ff. Brown, A. P., 64 ff. Bruchmann, H., 93 _Bryophyllum calycinum_, 153, 160 ff., 177 Buchner, 24 Budgett, 358 Buller, 93 Bunsen-Roscoe, law of, 11, 256 ff., 261, 263, 264 Burrows, 31 _Campanularia_, 178, 181 Cannon, W. B., 285 _Carcinus mænas_, 217 _Cardamine pratensis_, 90 Carrel, 31 _Cassia bicapsularis_, 37 Castle, W. E., 89 ff., 335 Caullery, M., 158, 180, 217 Cave animals, 319 ff. Cell division, 15, 29, 129 ff.; suppression of, 113 ff. Cells, nutritive media of, 15 ff; immortality of, 30 ff.; migrating, 44; mesenchyme, 51 ff., 130 ff., 147, 155 ff. _Cerianthus membranaceus_, 171 ff., 188, 361 _Chætopterus_, 78 ff. Chamberlain, M. M., 293, 297 Chapman, H. G., 60 Chemotropism of spermatozoa, 92 ff. Chevreul, 289 Child, C. M., 7, 170, 177, 358 _Chlamydomonas_, 277 Chodat, R., 248 _Chologaster_, 320 Christen, 288 Chromosomes, rôle of, in sex determination, 198 ff.; theory of Mendelian heredity, 233 Chun, 142 _Ciona intestinalis_, 89 ff., 212 _Cladocera_, 159 Clausen, H., 302 _Clavellina_, 181 Cohen, E., 292 Cohn, 41 ff. Compton, 90 Conklin, E. G., 129, 134, 143, 145 ff. Constancy of species, 40-43 Copernicus, 346 Corpus luteum, action of, 157-158 Correlation, 154, 167 Correns, C., 90 ff., 214 Cramer, 289 Crampton, H. E., 143, 225 _Criodrilus lacuum_, 219-220 Crossing over of chromosomes, 241 ff. Crystals, differences between living organisms and, 14 ff. _Ctenolabrus_, 355, 357, 359 _Ctenophores_, 142 Cuénot, L., 12, 324 Cullen, G. E., 24, 291 _Cuma rathkii_, 318 _Cyanophyceæ_, 287 _Cytisus biflorus_, 37 Cytoplasm of eggs as future embryo, 8, 9, 70, 126, 151 ff. Dakin, 352 Dallinger, 334 _Daphnia_, 210, 262, 279, 280, 282, 306, 312 Darbishire, A. D., 347 Darwin, 90, 297, 346 ff. Darwinian theory, 5 ff. Davenport, C. B., 244, 335 Death, 349 ff.; natural, cause of, 364, 369 Decidua formation induced by corpus luteum, 157-158 Delage, Y., 107, 110, 111, 123, 126, 186 de la Rive, 24 de Meyer, J., 127