516 READINGS IN EVOLUTION, 
Boyd-Dawkins, 162 
Brachydactylism, 399, 400; inheritance 
of, 460 
Bridges, C. B., 402, 437 
Briinn, 40, 41 
Bryonia, 436 
Buffon, G. L. L., 7, 15, 16, 17 
Bullen, G. E., 209 
Cameline: forefoot, 75; skull, evolu- 
tion of, 74 
Camels, fossil pedigree of, 73-76 
Cape de Verde Islands, fauna of, 106 
Carnivora, 126 
Carnot, S., 277 
Carsinas maenas, 256 
Castle, W. E., 39, 40, 41, 43, ae, 287, 
333) 334, 378, 379, 399, 431, 432, 
433-48 
Cataract, inheritance of, 461 
Catastrophism, 22, 23 
Cave animals, eyes of, 144, 145 
Cebidae, 126 
Cell: diagram of typical cell, 291; 
division, direct, 290, 291; division, 
indirect or mitotic, 291, 292, 403-5; 
division, somatic, 403-5; theory, 289 
Cenogenetic, 174 
Centrosome, 290, 291, 292 
Cesnola, 257 
Cetacea, 179 
Chamberlin, T. C., 57 
Chambers, R., 23, 26 
Chapin, C. V., 483 
Child, C. M., 191, 192, 337 
Child mortality in long-lived families, 
488 
Chimpanzee, 88 
Chromatin, 290; interchange between 
homologous chromosomes, 408; nu- 
cleolus, 290 
Chromosomes, 291, 292; conjugation 
of pairs of, 407; of Drosophila, 297; 
in heredity, 304, 305; independent 
distribution of, 408, 409; individual- 
ity of, 296; maps to show loci of 
genes, 437, 442; of mosquito, 297; 
number and appearance, 293; pairs 
of, 297, 407; reduction of, 297-98, 
406; and sex in Drosophila, 410-12; 
significance of, 292, 293 
Circopithecidae, 126 
GENETICS, AND EUGENICS 
Clark, J. M., 85 
Classification: basis of, 117-19; evi- 
dences from, 60, 117-23;  inter- 
national code of, 117; method of, 
120-21 
Clausen, R. E., 287, 307-22, 363, 364, 
401-12 
Cleavage of egg, 294 
Cocoanut crab, 138, 139, 140 
Coefficient of correlation, 369, 370 
Coincident selection, 268, 269 
Color in animals, 200-204 
Coluber anthonyi, 117 
Colubridae, 117 
Colubrinae, 117 
Commensalism, as adaptation, 198, 199 
Communal life, as adaptation, 199, 200 
Comparative Anatomy, evidences from, 
60, 129-63 
Confusing coloration, 204 
Conklin, E. G., 330-37, 370-75, 434, 435 
Conjugation, of homologous chromo- 
somes, 407 
Convergence, Osborn’s law of, 192-94 
Cope, E. D., 35 
Correlation: coefficient of, 369, 370; 
tables, 370 
Correns, C., 40, 43, 380, 393, 394, 415, 
416, 424 
Cossonidae, 108 
Coulter, J. M., 386-92, 413-28 
Coulter, M. C., 386-92, 413-28 
Coutagne, G., 396 
Crampton, H. E., 5, 32, 271 
Cretins of Aosta, 464, 465, 478, 479 
Crossing-over, in Mendelian heredity, 
441-48 
Cuénot, L., 398 
Curie, P., 275 
Cuvier, G., 19, 21, 22 
Cytoplasm, 290; in inheritance, 304 
Dakin, W. J., 209 
Daphnia, 335 
Darbishire, A. D., 393, 398 
Darwin, C., 4, 5, 6, 8, 10, 11, 17, 19, 
23, 24, 25, 26, 27; 28, 20, 30, 31, 45, 61, 
67, 97, 118, I20, 121, 160, 205, 210, 
211, 213, 219-44, 259, 260, 307, 330, 
427, 477, 501 
Darwin, E., 3, 16, 17, 18, 21 
