INDEX 



531 



Castle, W.E., 351,362 

 Casts, artificial, 129 

 natural, 129 



See also Worm burrows 

 Cat, 220, 310 

 caecum of. 40 



See also Carnivora 

 Catalyst, see Enzymes 

 Catastrophes, effect of on hybrids, 479 



and population size, 353 

 Catastrophism, theory of, 8 

 Cattle, see Beef 

 Cave. A.J. E.. 243, 257 

 Cell division. 82, 83 



See also Mitosis; Ovum, cleavage 

 of 

 Cells, colonies of, 70, 71 , 72 

 formation of. 81 

 germ, see Germ cell; Germ plasm; 



Ovum; Sperm 

 typical, 81 

 Cellulose, digestion of, 41 



See also Carbohydrates 

 Cement of teeth, see Teeth 

 Cenozoic era, 137, 138, 193-217, 221, 



224,261,268,504 

 Center of dispersal, see Dispersal 

 Central America. 291 



animals of, 270 

 Central nervous system, see Brain; Spinal 



cord 

 Centromere, 380, 381, 382, 396, 397 

 Cepaea. 370 

 Cephalaspis. 159 

 Cephalochorda, 311 



Cephalopod, 151-152, 155, 166, 175-176 

 culmination of, 173-176 

 first, 137, 147 



See also Ammonite; Belemnites; 

 Nautiloid 

 Ceratopsia, 183-184 

 Cerebral hemispheres, see Brain 

 Certhidea, 297 

 Cervical fistula. 76 

 Cetacea. 220. 310 



See also Whale 

 Champy. 406 



Chance, 254. 286. 322, 348, 350, 351 

 laws of, 516 



in Mendelian inheritance, 378-380, 

 387, 427-435. 438. 439-444 

 See also Drift, genetic 

 Change, see Diversity 

 Chapman. F. M., 293. 305 

 Character displacement. 487, 488 

 Character gradient, see Cline 

 Chemicals, carcinogenic, 339 

 Chiasma, 394 



Chicken, see Fowl 



Chimpanzee, 222, 223, 224, 225, 226, 

 227, 231, 233 

 blood groups in, 123-124 



See also Ape; Primates; Serum 

 proteins, homology of 

 Chin, of australopithecines, 234 

 of Cro-Magnon man, 245 

 development of. 232 

 of Pithecanthropus, 239 

 See also Jaw 

 China, see Pithecanthropus 

 Chinchilla. 260 

 Chiroptera, 220, 504 



See also Bat 

 Chitin. 21 



Chlamydomonas. 71 

 Chlorocruorin, 103 

 Chlorophyll, 84 



See also Plants, green, photosyn- 

 thesis in 

 Choanichthyes, see Sarcopterygii 

 Chondrichthyes, 156-157 

 Chordata, 48, 68, 74, 100-103, 149, 150, 

 311,312,313 

 first appearance of, 153 

 Chorion, 51, 79/ 



Chorionic villi, 52, 53, 60, 191, 192 

 Chromatid, 381, 382, 383, 387, 394-395, 



398,399 

 Chromosomal aberrations, 338, 339, 396- 

 400, 503 

 lethal, 396, 398 

 in number of chromosomes, 398-400, 



418 

 structural, 396, 397, 398 



See also Inversion; Polyploidy; 

 Translocation 

 Chromosomes. 338 



arrangement of, 380-389, 381, 384, 

 385. 386, 394-395, 394, 395; sea- 

 sonal fluctuation in, 461-463, 468 

 in cell division, 82, 83, 331-334 

 giant, 460 

 normal, 397, 400 

 See also Genes 

 Church and evolution, 5-6 



See also Religion 

 Circumpolar land mass, 268 

 Cladoselache, 157, 760 

 Clams, 147 

 Clark, A. H., 266. 278 

 Class. 310-311 

 Classification. 7. 306-329 

 by animal relationships, 313 

 artificial system of, 313-314 

 ascending categories in, 3 1 \-312 

 of asexual organisms, 318 



