INDEX 



939 



Carinatae, xix 

 Carnivora, xx 

 Carotenoids, effect upon skin color in the 



fowl, 592 

 Cartilage(s), 656 

 articular, 697 

 definition of, 658 

 development of, 665 

 elastic, 659, 665 

 epiphyseal, 691 

 formation of, in human embryo, 666 



pre-cartilage stage of, 665 

 hyaline, 658, 665 

 interstitial growth of, 665 

 palatoquadrate, 672 

 parachordal, of primitive skull, 671 

 peripheral growth of, 665 

 pterygoquadrate, 672 

 types of, 658 

 Cartilaginous labyrinth, 851, 854 

 Cartilaginous tissue, types of, 658 

 Casuarius, xix 



Cat, Australian native, Dasyurus viverrinus, 

 sperm survival in female genital 

 tract, 197 

 chromatin and nuclear changes in oocyte, 



136 

 Felis, egg, characteristics of, 207t 



facial and cervical muscles derived 

 from hyoid arch mesoderm in, 

 719 

 fertilization, site of, 207t 

 sperm entrance into egg, place of, 207t 

 female reproductive organs of, 65 

 Caudal bud, 471 



Caudal fin, in fishes, types of, 715 

 Caudal gut, 471 

 Caudata, xvii 

 Cavia (see Guinea pig) 

 Cavia porcellus (guinea pig), characteris- 

 tics of egg, site of fertilization, 

 and place of sperm entrance into 

 egg, 206t 

 Cavitation method of amnion formation, 



910 

 Cell(s), epithelial, human, 180 

 general tissue, of ovary, 60 

 germ, of ovary, 60 

 interstitial, 17 



movement of, importance of during de- 

 velopment and in gastrulation, 

 394 

 morphogenetic, 394 

 Sertoli, 16 



spermatogenic, 16, 17 

 Cell center, 259, 261 



Cell division, mechanisms associated with, 

 284 



Cell lineage, 343 

 definition of, 292 

 in Ascaris, 331 



in Styela (Cynthia) partita, 344 

 of isolated blastomeres of cleaving sea- 

 urchin egg, 329 

 Cell principle, as enunciated by Schleiden 



and Schwann, 281 

 Cell proliferation, in gastrulation, defini- 

 tion of, 397 

 Cellular differentiation, definition of, 517 

 Cellular injury, and egg activation, 219 

 Cementoblasts, 613 

 Cementum, 613 

 Central body, 259, 261 

 Central canal, of spinal cord, 820 

 Central cells, in chick blastoderm, 316 

 Central nervous system, basis of, 812 

 morphogenesis of, 820 

 primitive, areas of, 812 

 Centriole, of sperm, anterior, 149 

 distal, 149 



formation of, 152 

 proximal, formation of, 152 

 ring, 149 

 Centromere, 135 

 Centrosome, 259, 261 

 Centrosphere, 158 

 Cephalic flexure, 511, 812. 833 



in vertebrate embryos, 511 

 Cephalic outgrowth, 461 

 Cephalochordata (Lancets), xv 

 Ceratohyal part of second visceral arch, 673 

 Cerebral aqueduct, of brain, 823 

 Cerebral lobe(s), 823 



rudiments of, 822 

 Cerebrospinal system, 823, 826 

 Cerfontaine, P., 288, 404 

 Cervical enlargement, of spinal cord, 821 

 Cervical flexure, 833 

 formation of, 823 

 Cervical ganglion, superior, 837 

 Cetacea, xxi 



Chaetopterus, annelid worm, artificial par- 

 thenogenesis in, 217 

 egg of, viscosity changes during cleav- 

 age in, 286 

 Chalaziferous layer, of bird's egg, forma- 

 tion of, 905 

 Chalcides tridactylus (Seps chalcides), liz- 

 ard, chorio-allantoic placenta of, 

 917 

 uterine compartments of, 911 

 Cheiropterygium, 691 

 Chelydra serpentina, xix 

 Chemodifferentiation, 375 



and gastrulative process, 402 

 Chemotaxis, 225 



