INDEX 



471 



Centriscus, Fig. 108 



possible derivation of, 226 

 Cfntropomus, Fig. 294 



otolith of, 271, 277, 345 

 Ctphalacanthus, Fig. 222 

 Cephalaspids, 99, Fig. 2 

 Cephalic shield 



in Botkriolepis, 100 



in catfishes, 196, 441, Fig. 80 



in Dactylopterus, 441, Fig. 223 



in gurnards, 441, Figs. 218-220 



in Nematognathi, 195 



in siluroids, 441, Fig. 80 

 Cepola 



otolith of, 353 

 Ceratioids 



Antennarius-]\ke features of, 402, 403 



description of, 401 



divergent evolution in. Fig. 277 



mouth of, 416 



pectoral fins of, 387 

 Ceratoscopelus 



otolith of, 212 

 CetomimidtE, 209, 211 

 Cetomimus, Fig. 92 



type ancestral to Lyomeri, 213 

 Cetorhinus, 424 

 Chaenichthyidae, 360 

 CkatodipUrus, Fig. 152 



adjustments for balance, 441 



skull of, 278 

 Chalodon, Figs. 155, 291 



dentition of, 424 



skull of, 279 

 Chaetodontoidea, 274 



dentition of, 424, Fig. 291 



relation to Plectognathi, 279 



relation to Zeus, 271 



resemblance of Antigonia to, 273 

 Chanos, Figs. 44, 48 



scale bone of, 165 



skull characteis of, 151, 152 



subtemporal bone of, 154 

 Characodon, 220 

 Characins, see Heterognathi 

 Charitosomus, 175 



resemblance to Gonorhynchus, 179 

 Chatofssus, Fig. 39 



skull of, 146 

 Chauliodontidae, 160 

 Chauliodus, Fig. 55 



dentition of, 424 



mouth of, 416 



quadrate-articular joint in, 158, 159 

 Chaunax, Fig. 271 



intermediate between sea-bats and 

 Antennarius type, 401 

 Cheilinus 



otolith of, 379 

 relation to Epibulus, 257 

 Cheiiodactylus , Fig. 136 



skull of, 260 

 Cheilodipteridae, 264 

 Cheirodus, Fig. 15 

 Cheirolepis, Figs. 8, 12, 283, 286 



mouth of, 416 



premaxillse and maxillae of. Fig. 283 



suspensorium of, 421 

 Chiajmodon, Fig. 137 



mouth of, 416 

 Chiasmodonts, 260 

 Cheilohranchus, 352, Fig. 232 

 Chimara, 84 

 Chimaeroids, 103 



opercular elements of, 425 

 Chirocentrids, 142 

 ChirocentTus, 144, Figs. 34, 288 



dentition of, 142 



mouth region in, Fig. 288 

 Chirotophius, 387 

 ChironfcUs, Fig. 264 



characters of, 388 



Cuvier on, 387 

 Chironemus 



otoliths of, 260 

 Chirosioma, Fig. 140 



appearance of, 264 

 Chlamydoselachus , Figs. 4, 6, 13, 14 



branchial muscles of, 425 



musculature of head. Fig. 6 



origin of opercular fold in, 84 



skull and visceral arches of. Fig. 4 

 Chlorophihalmus, 207, 209, 211 

 Chondrocranium 



of Amiurus, 196 



of larval Gymnarchus, 173 

 Chondrostei, 117 



mouth in, 416 



neurocranium in, 438 



opercular elements in, 426 

 Chondrosteus, Fig. 19 

 Chordates, 101 

 Chorinemus, see Scomberoides 

 Chromis 



otolith of, 256, 321 

 Chryiichthys, Fig. 77 

 Cichlids, 237 



dentition of, 424 



skull of. 254 

 Circumorbital pattern of skull, 125 



in Protospondyli, 428 

 Cirrhitids, 259 

 Cirrkitus, Fig. 135 



skull of, 259 



suborbital in, 325 

 Cladoselache, Fig. 5 



reduction of exoskeleton in, 100 

 Clarias, Fig. 78 

 Cleland, John 



on Mola, 294 

 Cling-fishes, see Xenopterygii 

 Clinus, Figs. 251, 254 



skull of, 374 

 Clupea, Figs. 38, 283 



swim-bladder in, 174 

 Clupeioidea 



dentition of, 424 



diverticula of swim-bladder in, 147, 439 



skull of, 137 

 Coccocephalus, Figs. 12, 283, 286 



Cockerell, T. D. A. 



on Brotulid^, 379 

 Coelacanths 



Watson and Stensio on, 270 

 Coilia, Fig. 41 

 Cole and Johnstone 



on the preopercular, 427 

 Compensatory growth, 386 

 Convergence 



between cephalic shields of catfishes 

 and ostracoderms, 196 



between gadoids and ophidiids, 380 



between Opisthomi and Protopterus, 

 353 



between skulls of Eteclrophorus and 

 Symhranchus, 352 

 Copdandellus, Fig. 301 

 Coregonus, 179 

 Coridae, 257 

 Coryphana, Fig. 183 



dorsal fin of, 391 



relationships of, 302, 305 



skull of, 305 



comparison with Pseltus, 275 

 CoryphanoideSy Fig. 262 

 Cottidae 



relationships of, 321, 330, 339 



skull characters of, 332 



skull ridges, 341 

 Cotloperca, Figs. 237, 239, 240, 241 



opercular region of, 360 



pectoral girdle of, 357 



Pinguipes compared with, 356 



skuU of, 358-360 

 Cottus, Figs. 212, 221 



head of, 388 

 Cranial foramen 



in Mormyrops, 171 



in NotopUrus, 169 

 Cranial vault 



architecture of, 436, 437 



bracing of, 437 



influence of auditory capsules on, 440 



triradiate sutures of, 437, 438, Fig. 299 

 Crapatulus, Fig. 244 



pectoral girdle of, 365, 370 



skull of, 365 

 Crevalles, 300 

 Cromeria, 155, Fig. 49 

 Crossopterygii 



opercular elements of, 425 



typical skull patterns of, 105 

 Crucifii fish. Fig. 79 

 Cryptosparas, 403, Fig. 273 

 Ctenothrissa, Fig. 42 



description of, 151 



pelvic fins of, 149, 150 

 Ctenothrissidae, 145 

 Cutlass-fishes, see Trichiuridae 

 Cuvier, Georges 



on Chironecus, 387, 388 

 Cybiidae, 315 

 Cybium, 317, 319 

 CvcUptus, Fig. 300 

 head of. 453 



