JXDEX. 



645 



Brood-pouch, of Salpa, 24 ; Teleostei, 55 ; 

 Amphibia, 100 



Brown tubes of Gephyrea, 566 



Bulbus arteriosus, of Fishes, 524; Am- 

 phibia, 525 



Bursa Fabricii, 139, 641 



Canalis auricularis, 525 



Caiialis reuniens, 429 



Capitellidas, excretory organs of, 563 



Carcharias, placenta of, 54 



Cardinal vein, 536 



Carnivora, placenta of, 207 



Carpus, development of, 509 



Cartilage bones of skull, 489 ; homologies 



of, 489 



Cat, placenta of, 207 

 Caudal swellings of Elasniobrauchii, 38, 



45; Teleostei, 58; Chick, 135, 141 

 Cephalic plate of Elasmobrancliii, 45 

 Cephalochorda, development of, 1 

 Cephalopoda, eyes of, 3S9 393 

 Cerebellum, Petroinyzon, 76; Chick, 146; 



general account of development of, 349, 



350 

 Cerebrum of Petromyzon, 76, 81; Chick, 



145; general development of, 353, 360; 



transverse fissure of, 364 

 Cestoda, excretory organs of, 561 

 Cetacea, placenta, 212 

 Chaetognatha, nervous system of, 289; 



eye of, 394; generative organs of, 612; 



generative ducts of, 616 

 Chajtopoda, head of, 260; eyes of, 394; 



excretory organs of, 563 ; generative 



organs of, 612 ; generative ducts of, 617 

 Charybdasa, eye of, 338 

 Cheiroptera, placenta of, 202 

 Cheiropterygium, 508; relation of to ich- 



thyopterygium, 510 

 Chelonia, development of, 174 ; pectoral 



girdle of, 495 ; arterial system of, 533 

 Chick, development of, 120; general growth 



of embryo of, 141 ; rotation of embryo 



of, 143 ; foetal membranes of, 154 ; 



epiblast of, 124, 133 ; optic nerve and 



choroid fissure of, 411 

 Chilognatha, eye of, 395 

 Chilopoda, eye of, 395 

 Chima?ra, lateral line of, 444 ; vertebral 



column of, 452; nares of, 439 

 Chiromautis, oviposition of, 100 

 Chorda tympani, development of, 378 

 Chordata, ancestor of, 258 ; branchial 



system of, 259; evidence from Ainrno- 



ccetes, 259 ; head of, 260 ; mouth of, 



264 ; table of phylogeny of, 271 

 Chorion, 197 ; villi'of, 197, 215 

 Choroid coat, Anmioccetes, 81; general 



account of, 401 

 Choroid fissure, of Vertebrate eye, 400, 



406 ; of Ammoccetes, 410 ; comparative 



development of, 411; of Chick, 412; 



of Lizards, 413; of Elasniobrauchii, 



413; of Teleostei, 414; Amphibia, 414; 

 Mammals, 414, 416 



Choroid gland, 265 



Choroid pigment, 403 



Choroid plexus, of fourth ventricle, 350; 

 of third ventricle, 356 ; of lateral ven- 

 tricle, 364 



Ciliated sack of Ascidia, 15 ; Pvrosoma, 

 22; Salpa, 26 



Ciliary ganglion, 379 



Ciliary muscle, 403 



Ciliary processes, 402; comparative de- 

 velopment of, 416 



Clavicle, 492 



Clitoris, development of, 599 



Clinoid ridge, 469 



Cloaca, 630 



Coccygeo-mesenteric vein, 545 



Cochlear canal, 427 



Ccecilia, development of, 118; pronephros 

 of, 582; mesonephros of, 584; M'ul- 

 lerian duct of, 585 



Cceleuterata, larvae of, 303; eyes of, 388; 

 auditory organs of, 423; generative or- 

 gans of, 610 



Colmnella auris, 436; of Amphibia, 479; 

 of Sauropsida, 483 



Commissures, of spinal cord, 343; of 

 brain, 355, 356, 361, 365 



Coni vasculosi, 597 



Conus arteriosus, of Fishes, 524; of Am- 

 phibia, 525 



Coracoid bone, 492 



Cornea, of Ammoccetes, 81; general de- 

 velopment of, 407 ; corpuscles of, 408 ; 

 comparative development of, 411 ; of 

 Mammals, 411 



Corouoid bone, 488 



Corpora geniculata interna, 353 



Corpora quadrigernina, 352 



Corpora striata, development of, 360 



Corpus callosurn, development of, 365 



Corti, organ of, 430; structure of, 432; 

 fibres of, 433 ; development of, 434 



Cranial flexure, of Elasmobrancliii, 48, 

 49; of Teleostei, 62; Petromyzon, 76, 

 77 ; of Amphibia, 108, 109 ; Chick, 145 ; 

 Eabbit, 191; characters of, 266; sig- 

 nificance of, 267 



Cranial nerves, development of, 374 ; re- 

 lation of to head cavities, 379; anterior 

 roots of, 380 382 ; view on position of 

 roots of, 383 



Crocodilia, arterial system of, 533 



Crura cerebri, 353 



Crustacea, nervous system of, 338 ; eye of, 

 396 ; auditory organs of, 425 ; generative 

 cells of, 613 ; generative ducts of, 618 



Cupola, 432 



Cutaneous muscles, 557 



Cyathozooid, 21 



Cyclostoniata, auditory organs of, 426; 

 olfactory organ of, 439 ; notochord and 

 vertebral column of, 450, 453 ; abdo- 



