INDEX 



Cephalaspis, Fig. 4, 11; mouth of. 

 Fig. 57, 96 



Cephalaspid ostracoderms, Stensio 

 on, 9-1 



Cephalopods, eyes of, 178, 179; 

 development of eye in. Fig. 

 95, 181 



Catarrhine monkeys, see Monkeys, 

 catarrhine 



Catablema, ocellus of. Fig. 91, 175 



Chimpanzee, facial expression of. 

 Fig. 116, facing 222; female 

 and male. Fig. 40, facing 65; 

 female with young. Fig. 39, 

 facing 64; brain of, compared 

 with that of Notkarctvs and 

 of man, 65, 66; external ear 

 of. Fig. 110, 213, 214; face of, 

 compared with that of early 

 man, 76; hands of, 198; 

 palatal arch of, Fig. 74, 140; 

 incisors of, 138; iris of, 199; 

 jaw muscles of. Fig. 61, 103; 

 lacrymal bone of, 200; lower 

 jaw of. Fig. 45, 71; molar of. 

 Fig. 79, 150; muzzle of, 142; 

 nasal meati and sinuses of, 

 161; oculomotor nerves of, 

 198; protrusile lips of old. 

 Fig. 70, 132; skull of, 65 

 (young). Fig. 102, 197; (fe- 

 male). Fig. 36, 59; (top view), 

 Fig. 35, 58; Fig. 43, 69, (front 

 view). Fig. 44, 70, (under 

 side). Fig. 53, 85; tongue of, 

 123 



"Chimpanzee type" of human 

 ear, Fig. 110, 213 



Chin, effect of development of 

 tongue on, 126; of early man, 

 76 



Chlamydoselachus, face of, Fig. 5, 

 facing 12; instruments of pre- 

 cision in head of. Fig. 6, 13; 

 jaw muscles of, Fig. 61, 103; 

 development of teeth of, 109 



Choanse, in palate of lion pup. 

 Fig. 66, 121; of lizard, Fig. 66, 

 121; of human embryo, 120, 

 Fig. 66, 121 



Chondrocranium, its component 

 parts, 83 



Chordate, earliest type of verte- 

 brate, 10; Amphioxus, most 

 primitive living, Fig. 54, 92 



Choroid, of shark. Fig. 99, 192; of 

 man. Fig. 100, 193 



Choroid layer, lacking in cephal- 

 opod eye, 180 



Cilia, as means of ingestion in 

 Amphioxus, 95; in ostra- 

 coderms, 95 



Ciliary muscles, of eye of shark. 

 Fig. 99, 192; of human eye. 

 Fig. 100, 193 



"Ciliated groove" of Amphioxus, 

 Fig. 54, 92; of pharynx of 

 larval lamprey, 98 



Circumorbital bones, Evolution 

 of the. Fig. 51, 81 



Civilization, its effect upon human 

 teeth, 149 



Clark, W. E., Le Gros, on evolu- 

 tion of primate brain, 63 



Cladoselache, frontispiece 



Clinical study of physiognomy, 

 224 



Coal measures, see Carboniferous 



Cochlea, human, development of. 

 Fig. 105, 206; its equivalent 

 first in amphibia, 206; of 

 human ear, Fig. 103, 203; 

 spiral ducts of. Fig. 103, 203 



Constrictor muscles of gill arches, 

 104 



Cornea, human. Fig. 100, 193; 

 in shark and man, 193; of 

 molluscan eye, development 

 of, Fig. 95, 181; of shark. 

 Fig. 99, 192 



Coronoid bones, of Megalichthys, 

 Fig. 64, 111; of Trimeror- 

 hachis. Fig, 64, 111; of turtle 

 embryo, Fig. 64, 111 



Corti, the organ of. Fig. 103, 203, 

 204 



Cotylosaurian reptiles, see Reptiles 



Cranial nerve, seventh, 43 



Cretinism, cause and effect of, 171 



Criminological study of physiog- 

 nomy, 225 



Cro-Magnon man, see Man, Cro- 

 Magnon 



Crossopterygii, related to Carbon- 

 iferous amphibia, 114; com- 

 parison of skull with early 

 Amphibia, 107, Fig. 63, 108; 

 composition of skeleton, 23; 

 characteristics of, 24; living 

 representatives of, 24; dentary 



264 



