530 



INDEX 



Brain (Continued) 



comparison of, 32 



embryonic, 54, 58, 63 



of Equus, 203, 205 



offish. i2-33 



of gorilla, 235 



homology in, 32-33 



of horse, 203 



of Hyracotheriiim, 201, 203. 236 



of mammals, -?2-3 3, 190-191 



of man, 219, 228-229: development of, 

 236, 255 



of Merychippus, 205 



of Mesohippiis, 203 



of Neanderthal man. 243 



of opossum, 201, 203 



of Pithecanthropus, 238-239 



of pterosaurs, 186 



of reptiles, 52, 170 



of Stegosauria, 183 



of tarsier, 221 



See also Skull 

 Branchial grooves, 59-60 



See also Gill slits 

 Breastbone, see Sternum 

 Breeding programs, see Artificial selec- 

 tion 

 Bridge, land, 120, 265, 266-267, 268, 280, 



282, 283 

 Bridgeless gap. 319 

 Briggs, M. H., 145, 172 

 Bristles, of Drosophila, 446 



piercing, of insects. 35, 36 

 Brittle star, 102 

 Brontosaiirus, 181, 182 

 Broom, R., 171,233,255,256 

 Brower, J. VZ., 371, 373, 374 

 Brower, L. P., 373, 374 

 Brown, F. A., Jr., 107 

 Brown, W. L., Jr., 238, 250, 256, 323, 



324,329,487,506 

 Browser, three-toed, 201, 204, 205 

 Bryan, W. A., 305 

 Bryozoan, 152 

 Buchsbaum, 74, 75 

 Buffalo, see Bison 

 Bugs, mouth parts of, 35, 36 

 Bullfrog, see Frog 

 Bumblebee, 300, 373 



See also Bee 

 Burbank, L.. 351 

 Burgess shale fossils. 148-149 

 Bushman, brain of, 239 



pelvic bones of, 233 

 Butterflies, mimicry in, 370, 372, 373 



Monarch, 371, 372 



mouth parts of, 34-55, 40 



and population size, 490 



Butterflies (Continued) 

 Tiger Swallowtail, 371 

 transportation of, 285 

 Viceroy, 371,572 



Cabbage, 479-420 

 Cabrera, A., 275, 323, 328 

 Cactospiza, 296 

 Cactus, prickly pear, 288, 290 



spineless. 351 



tree, 288 

 Caecilian, 170 

 Caecum, 40, 47,42 

 Caenolestid, 261 

 Cain, A. J., 370, 374 

 Comarhynchus, 296 

 Cambrian period. 137, 146-150 

 Camelidae. distribution of. 270, 277, 272 



See also Camels 

 Camels, 268 



Arabian, 271,273 



Bactrian, 271,273 



distribution of, 270, 277, 272 



extinction of, 13. 272 

 Camouflage, see Protective coloration 

 Camp, C. L., 197, 198, 200-201, 205, 217 

 Canalizing selection, 422, 425, 466 

 Canary, 293 

 Canidae, see Dog 

 Canis, see Dog 

 Cannon bone, 23, 43 



See also Limbs, of horse 

 Cape Verde Islands, 292-293 

 Capybara, 1 19 

 Carbohydrates, 80 



digestion and absorption of, 86-87 



formation of, S7, 87-88 



manufacture of, 84-85, 139 

 Carbon, 79, 80, 57, 144 



compounds of, see Carbohydrates 



dating by, 138-140,246 



film of. 129, 148, 176 

 Carbon dioxide, 84, 85, 86, 87-89, 92, 



139. 144 

 Carboniferous period, lower, see Missis- 

 sippian period 



upper, see Pennsylvanian period 

 Cardinal, 293 

 Carnivora, 220. 310, 312, 504 



archaic, 195-196 



caecum of, 40-41 



interrelationships of, 121 



See also Serological tests 

 Carotenoids, 104-105 

 Carp, number of eggs in, 352 

 Cartesian coordinate method in allome- 



try, 415,476, 417 

 Case, 167, 168 



