INDEX 



263 



Caudate nucleus, 119 

 Caval mesentery, 227 

 Cavum septi, 122 

 Cell, animal, structure of, 1 



process of division, 4 

 Cells, history of sex, 5 et seq. 



vaso-formative, origin of, 61 



primitive sex, origin of, 188 



interstitial of ovary and testis, 191, 192 

 Centriole, 2 

 Centroplasm, 2 

 Centrosome, 2 



in fertilisation, 15 

 Cephalic flexure, 106, 156 

 Cerebellum, formation of, 108, 109 

 Cerebral vesicles, primary, 48 



hemispheres, 115 seq. 



nerves, development of, 127, 130 



arteries, 221 



veins, 229 

 Cervix uteri, 196 



Chambers of heart, development of, 211 

 Cheeks, development of, 158 

 Cheiroptera, early imbedding of ovum in, 66 

 Chiasma, optic, 111 

 Choanse, primitive, 153 

 Chrondriomites, 10 

 Chorda dorsalis. See Notochord. 

 Chorda tympani, 132 

 Chordae tendinese, 215 

 Chorion, structure of, 71 



frondosum, 72 



laeve, 72 



vascularisation of, in Primates, 55 

 Choroid coat, 143 



plexuses, origin of epithelium of, 106 



plexuses, 110, 121 

 Choroidal fissure, 118, 140 

 Chromaffin (phaochrome) cells, 135, 136, 206 



bodies, 135 

 Cliromatin, 3 



material basis of hereditary qualities, 17 



reduction of, 17 

 Chromosomes, 4 



splitting of, 4 



division of, in Ascaris, 16 



persistent identity of, 17 



reduction of, 17 



fusion of, 19 



theory of heredity, 22 

 Ciliary ganglion, 134 



body, 143 



processes, 143 



muscle, 143 

 Circulation, foetal peculiarities of, 233 



course of, in foetus, 233 



changes in, at birth, 234 

 Claustrum, 121 



Clavate nucleus, origin of, 108 

 Clivus monticuli, 110 

 Clitoris, 203 

 Cloaca entodermica, formation of, 164 



development of bladder from, 185 



fate of, 201 

 Cloacal membrane, 52, 164, 201 



tubercle, 201 



plate, 201 

 Cochlea, 147, 256 



canal of, 146 



ganglion of, 148 



Cochlea in birds, 148 



modiolus of, 148 



spiral lamina of, 148 

 Coccygeal gland, 135 

 Coelenterate, conversion of radial, into proto- 



vertebrate, 48 

 Ccelom, definition of, 34 



formation of, 49 



extra-embryonic tissue in, 35 



intra-embryonic, or body-cavity, 51 



cavity of primitive segment continuous 

 with, in lower vertebrates, 51 



extra-embryonic, obliteration of, 85 

 Ccelomic pouches, origin of axial mesoderm 

 in Reptilia, 46 \ 



cavities in head, in lower vertebrates, 



57, 249 

 Coert, on epithelium of genital ridge, 188 



origin of tubules of rete testis, 192 

 Colloid, development of, in thyroid, 168 

 Coloboma iridis, 140 

 Colon, development of, 163 

 Columnae carneae, 215 



Commissure, midddle, or intermediate mass, 

 113 



posterior, 114 



habenular, 114 



anterior, 122 



hippocampal, 122, 123 

 Concha, 149 

 Conchse of nose, 155 



Concrescence theories, His, Minot, Hertwig, 47 

 Coni vasculosi, 192 

 Conjugation of nuclei, 15 

 Connective tissue, early stages in develop- 

 ment of, 56 



Conus of right ventricle, 216 

 Cord, umbilical, formation of, 85 



genital, 181, 188, 193 



nephrogenetic, 178, 182 

 Cornea, 143 

 Corona radiata, 8 

 Coronary sinus, 211 



ligaments of liver, 243 

 Corpora quadrigemina, 111, 113 



mammillaria, 111, 115 

 Corpus dentatum of olive, 108 



caUosum, 122 



peduncle of, 124 



striatum, rudiment of, 116 

 development of, 119 



luteum, 191 

 Corpuscles, directive or polar bodies, 11 



of Hassal in thymus, origin of, 172 

 Costal processes, 250, 252 

 Craniota, formation of gastrula in, 47 

 Cranium, 254, 256 

 Cremasteric muscle, 199 

 Cribriform plate, 256 

 Cricoid cartilage, 167 

 Crista galli, 257 



urethralis, 185 

 Crura cerebri, 111 

 Crus fornicis, 124 



of semicircular canals, 146 

 Crusta, 111 

 Cryptorchismus, 201 

 Cumulus oophorus, 191 

 Cuneate nucleus, origin of, 108 

 Cunningham, on frontal operculum, 124 



