INDEX 



v.'V/^' 



caterpillar wasps, 35 



cats, zo, 7-1, 118, 145, 181, 182. 



cell behavior in early embryology, ijx, 



centipedes, 117, loi 

 Cephalochorda, z6i, 2.68, 175 

 cephalochordates, 70, 196, 199, ioo, 157 

 Cephalodiscida, z6i, z68, Z75 

 cephalodiscids, 70, 103, 155, 196, 199, 



xoo, Z57 

 Cephalodiscus, z6i 

 cephalopods, loz, iiz, zzi 

 ceratioid fishes, i6z 

 cercaria, 151, Z5Z 

 cestodes, 1Z4, Z4Z, Z58 

 Cestus, 153, Z73 

 Cha:tognatha, Z63, Z69 

 chxtognaths, 70, loi, 149, i6z, 190, 



2-57, 2.63 

 chambered nautilus, 109, no 

 change in symmetry of echinoderms 



during growth, 150 

 changes in the balance of animal life, z 

 chemical senses of insects, 85, 86 

 chimpanzees, 4, Z5, ZZ4 

 chordates, 199 

 clams, 66, 78, Z47, z6z 

 clams, fresh- water, 118 

 clothes moth, 8 

 cobra, 60 

 coccids, 9 



cocoon of insects, 8, 16 

 Codosiga, 15Z 



Coelenterata, Z39, Z65, Z71, Z7Z 

 coelenterates, 70, loz, 155, 159, 160, 



i94> 195 > 197, 2-42-, 2.43, Z44, Z45, Z47, 



Z49, Z5Z, Z53, Z56, Z65, Z71, Z7Z, Z73, 



2-74 

 ccelom, Z53, Z55 



collies, 4 



common black swallowtail, 139, 141 



common Aristolochia swallowtail, 137 



common blue, 136 



common western swallowtail, 136 



concurrent evolution, zii 



conditions on the earth when life first 

 began, xiii 



conditions under which food is offered, 

 xii 



contacts of living things, xi 



continuity of descent with discon- 

 tinuity of form, 183, Z30 



continuity of life, xii, 164, 189, zo8 



controlling features governing life on 

 land, 63 



controlling senses, 10 



cooling of the body in bats, 8z, 83 



cooling of the body in elephants, 83 



copepods, 65 



copper butterfly, 136 



coppers, 141 



corals, 66, 78, 95, loz, 104, iz6, 153, 



2-39. 2.65 

 cosmic significance of evolution, zi6 

 crabs, 67, 79, izo, Z63 

 Craniata, Z75 

 creepers, 49 



creeping ctenophores, 153, Z73 

 crested flycatchers, 13 

 Cretaceous, i, 89, 106, 107, 109, iiz, 



178 (see table on p. 99) 

 crinoids, 7Z, loi, zoi, zoz, zzi, Z63 

 crocodile-bird, iz 

 crocodiles, 7, 11, 75, 107 

 crocodilians, 89, 116, 178 

 crows, 13, 14 

 crustaceans, 65, 69, 76, 79, 84, 100, loi, 



107, 114, 116, 117, 118, izo, 151, 



15Z, 153, 155, 183, zoz, Z18, ZZI, ZZ3, 



z6z,z63, Z64 



[^87] 



