33 2 



Index 



Blood Continued 



vessels: Frog, 56-69; Chick, 



146-151 

 Body-cavity: Frog, 30, 69- 



72; Chick, 132 

 Body-stalk, 304308 

 Brain: Frog, 36-40; Chick, 



154, 172-173 

 Branchial arch: (see Visceral 



clefts and folds) 

 Branchial blood-vessels : Frog, 



62 

 Branchial cleft: (see Visceral 



clefts and folds) 

 Branchial fistula, 326 

 Branchial folds: (see Visceral 



clefts and folds) 

 Breast, 322 

 Bulb us arteriosus: Chick, 145, 



156 



Caduca, 302 

 Carotid arch: Frog, 67 

 Carotid gland: Frog, 68 

 Cartilage bones: Chick, 267 

 Centra: Frog, 73 

 Cerebellum: Frog, 37; Chick, 



224 

 Cerebral hemispheres: Frog, 



38; Chick, 154, 224 

 Chalazae: Chick, 91 

 Chorion, 298, 306-308 

 Chorion laeve, 301 

 Chorionic villi, 301 

 Choroid coat: Chick, 181 

 Choroid fissure or slit: Frog, 



42; Chick, 179 

 Chromosome: 12 

 Cicatricula: (see Blastoderm) 

 Circulation, changes in, at 



metamorphosis : Frog, 



63-69 

 Circulation, changes in, at 



time of hatching: Chick, 



259-261 

 at end of second day: 



Chick, 157-159 

 of third day: Chick, 201- 



203 

 at end of third day: Chick, 



256-261 



Cleavage of chest, 326 

 Cleavage of the egg: (see 



Segmentation of the 



egg) 



Cleavage plane: Frog, 17 

 Clitoris, 318 

 Clitero-penis, 316, 318 

 Cloaca: Frog, 4548; Chick, 



206; Man, 316 

 Cloacal formation, 327 

 Ccelom: (see Body-cavity) 

 Concrescence, 24-25 

 Conjunctival epithelium: 



Chick, 183 

 Cornea: Chick, 183 

 Corneal corpuscles: Chick, 



183 



Corona radiata, 286 

 Cotyledons, placental, 311 

 Cranial flexure: Frog, 36; 



Chick, 155, 167, 223 

 Cranial nerves: Chick, 155, 



226 

 Cranium: Frog, 75; Chick, 



265267 

 Crown-rump measurement of 



embryo, 323 

 Crura cerebri: Frog, 37 

 Cyclops, 326 



Decidua, 302 

 Decidua reflexa, 302 

 Decidua serotina, 302 

 Decidua vera, 302 

 Decidual cells, 302 

 Descent of testis, 318 

 Development, rate of: Frog, 



i ; Chick, 120 

 Discoidal cleavage: 97 

 Dorsal aorta : Frog, 61 ; Chick, 



