Clotting, 377 

 Club cells, 225 

 Club-shaped organ, 196 



secretory cells, 226 

 Clupt-a harfngus, swim bladder, 263 

 Clupeoid fish, 410 

 Coccosteus^ 186 



external appearance, 31, .3/ 

 trunk armor, 190 

 Coccygeofemoralis pars femoralis, 428 

 Coccygeofemoralis pars ischiadicus, 428 

 Coccygeofemoralis pars tenuissimus, 428 

 Coccygeomesenteric vein, 369 

 Cochlea, 408 



division of auditory ganglion, 386 

 division of otic capsule, 51 

 Cod (see also Gadus), 106 

 Coelacanths, see Actinistia 

 Coeliac artery, 366 



Coeliacomesenteric artery, 284, 368, 375 

 Coelom, 200, 300 



lack of, in tunicate, 11,12 

 Coelomic pouches, 195 

 enteropneust, 13 

 differentiation, 421 



Coelomic septa, 16 



Coenecium, 14 

 COLE, 139 



Collar ganglion, 16 



Collecting tubule, 297 



COLLINS, 2 



Colon, 254 



Colonic loop, 255 



Columba, 22 



Columella, 64, 83, 406 



Columelliform stapes, 46 



Columns of Bertin, 291, 292 



Common bile duct, 253 



Common cardinal, see duct of Cuvier 



Common carotid, 347, 354 



Common hepatic portal vein, 376 



Common iliac arteries, 367 



Conchae, 69 



Concrescence, 201, 205, 207 



Condyle, 41 



Conjunctiva, 404 



Constrictor muscles, 432 



Contractile vessels, 8. 14 



Coprodeum, 257 



Copula, 64, 69, 80, 83, 96, 1 19, 131 



Coracobrachialis, 424 

 brevis, 433, 436 

 longus, 433, 436 



Coracoid, 181 



Corium, see dermis 



Cornea, 18, 405 



Cornual cartilage, 130 



Cormibomsciii, pectoral girdle, 184 



Coronary sinus, 363 



Cloronoid bone, 76, 80, 85 



Coronoid process of mandible, 41 



Corpora quadrigemina, 384 



Corpus callosum, 384 



Clorpus fibrosum, 324 

 Corpuscles of Stannius, 382 

 Cortex, 320 

 of gonad, 327 



Cortical material. 291 



Cosmine, 92 



Cosmoid scale, 238, 241 



COSTA, 5 



Costal segment of rib, 143, 148 



Coitus, 381 



Cotylosaurs, 22 



Cow, 22, 212,257,565 



Cowper's gland, see bulbourethral glands 



Crampton's muscle, 405 



Cranial capsule, 37 



Cranial nerves, mammal, 385 



Cranial sclerotomite, 143 



Craniata, 19 



Cranioquadrate fissure, 71. 74, 99, 356 



Cranial roof, evolution in reptiles, 91 



in osteolepid and rhizodontid, 94 

 Craniovertebral articulation, 155 

 Cremaster muscle, 320 

 Cretaceous, 62, 85 

 Cribriform plate, 40, 49 

 Cricoid cartilage, 280 

 Crista, inner ear, 406 

 Crista galli, 53 

 Crista transversa, 53 



Crocodile, crocodilians (see also Alligator), 

 22, 369, 381, 403, 423 

 aortic arches, 348 

 as archosaurs, 61 



chondrocranium and dermal centers, 75 

 head skeleton, development, 72 

 penis, 324 

 Crossopterygians (see also osteolepiforms, 

 porolepiforms), 21, 33, 103, 104, 119, 

 151, 180, 239, 248, 402,416 

 head skeleton, 92 

 hyomandibula, 115 

 Crura, of skeletogenous plate, 13 

 Crus communis, 408 



Cryptobranchus. 21, 79, 80, 151, 152, 177, 178, 

 191, 224, 249, 264, 281, 286, 287, 299, 

 300, 343, 344, 349, 365, 390, 418, 433 

 aortic arches, 349 

 digestive tract, 263 

 external appearance, 27, 28 

 head skeleton, 81 

 heart, 343 



muscles, pectoral limb, 438, 439 

 Pectoral girdle, 177 

 pelvic girdle, 178 

 Pes, 178 



prototriches, 223 

 teeth, 251 

 Cuboid, 173 

 Cuboidal epidermis, 1 1 

 Cultriform process, 85 

 Cupola, 410 



Cutaneous maximus, 424 

 Cuticle, 226 

 CUVIER, 2, 5 

 Cycloid scales, 25 



Cyclostomes, (see also lamprey, Myxine), 18, 

 19, 186, 240, 313, 382, 422 

 aortic arches, 289, 351 

 arteries, head, 359 

 digestive tract, 275 

 external appearance, 23 



head skeleton of, 128 



reproductive system, 335 



skin, 226 



teeth, 246 



veins 



body, 375 



head, 365 



Cyclolhone, 305 



Cynidiognathus, 176 



Cynodont, 76 



Cyprinoid, swim bladder, 285 

 Cyprmm, 288 



DAMAS, 139 

 DARWIN, 2, 3 



Dasybatiis, dermal plate, 233, 234 



Dasycercus. 320, 323 



DAU BENTON, 2 



deBEER, 3 



Decussate, 384, 386 



Decussation, optic nerve, 386, 388 



trochlear nerve, 386 

 Deep temporal artery, 354 

 Delamination, 201 

 Deltoideus, 424, 436 

 pars acromialis, 424 

 pars clavicularis, 432, 436 

 pars scapularis, 432, 436 

 pars spinalis, 424 

 Dental formula, 39, 43 

 Dental lamina, 244 

 Dental plate, 132 

 Dentary, 41, 64, 76, 83, 85 

 Dentinal osteons, 228 

 Denticles, 236 



Dentine, 228, 228, 234, 236, 243 

 Dentosplenial, 106, 1 1 1 

 Depressor muscles, 432 



depressor palpebrae, 423 

 Dermal bones, defined, 35 

 antiarchs, 232 

 Bothrwlepis, 232 

 euarthrodires, 230, 232 

 Heterostracans, 230 

 osteostracans, 231 

 thelodonts, 231 

 Dermal plate, 46, 234 

 Dermatome, 143, 420 

 Dermis, 217, 218, 226 

 Dermohyal, 114 

 Dermophis, 326 

 Desmoi^nalhus, 177, 281, 325 

 Devonian, 63, 88, 99, 112, 119, 123, 125, 135, 

 137, 155, 156, 170, 192, 239, 240, 290 

 as dry period, 444 

 Diadectomorph, 88, 91 

 Diaphragm, 253. 280 

 Diapophysis, 142, 145, 188 

 Diapsid, 61, 71 

 Diarthroses, 41 



Diarthrognathus (ictidosaur), 22, 76, 79 

 Diastema, 39 



Didelphis, (see also opossum), 22, 320 

 Diencephalon, 383, 384 

 Digastricus muscle, 436 

 Digestive tract, Protochordates, 8, 8, 10, 11, 

 //, 12, 15, 16 



INDEX 



463 



