l62 



INDEX 



Auditory, ganglion (see acoustic), 

 nerve, 123 

 pit, f. 22, 65 

 placode, 65, 122 ■ 

 vesicle, f. 36, f. 40, 65, 122 



Bile duct, common, 126 



Blastocoele, f. 6, 21, 23 



Blastoderm, f, 6, 20, 24 

 zones of, f. 7, 24 



Blastodisc, 16 



Blastomere, 16 



Blastopore, f. 6, 22 

 closure of, 26 

 concrescence of, f. 9, 28 

 formation of, in birds, f. 7, 26 

 homologies of, 23 



Blastula, 20, 21, 24 



Blood, as a carrier of food, 79, 132 

 oxygenation of, 78, 133 



Blood cells, origin of, f. 25, 66 



Blood islands, differentiation of, f. 25, 

 66, 67 

 formation of, f. 25, 51 

 location of, f. 15, f. 17 



Blood-vessels, formation of, f, 25, 

 66, 72 (see also arteries and 

 veins). 



Body cavity (see coelom). 



Body folds, f. 30, f. 32, 80 

 ^^iBowman's capsule, 148 



Brain, first differentiation of, 53 

 neuromeric structure of, 59 

 primary vesicles, f. 20, 54, 60 

 secondary vesicles, f. 42, 63, 114 

 ventricles of, f. 42, 115 



Branchial arches (see visceral arches). 



Bulbo-conus arteriosus, f . 23 , f . 49, 

 f. so, 72, 141 



Bulbus arteriosus (see bulbo-conus). 



Capsule of Bowman, 148 

 Caudad, usage of term, 5 

 Caudal, usage of term, 5 

 Caudal fold, f. 31, 81 

 Caudal flexure, in 

 Central canal of spinal cord, 119 

 Cephalad, usage of term, 5 

 Cephalic, usage of term, 5 

 Cephalic limiting fold, 80 

 Cephalic mesoderm, 40, 50 

 Cephalic neural crest, f. 22, loi 



Cerebellar peduncles, 118 



Cerebellum, 118 



Cerebral ganglia (see ganglia, cranial) . 



Cerebral hemispheres, 115 



Cervical flexure, 94, in 



Chalaza, f. 3, 10 



Chorion, 92 



Choroid coat of eye, 122 



Choroid fissure of eye, f. 35, f. 42, 98, 

 121 



Choroid plexus, 117, 118 



Circulation, allantoic, f. 47, 136 

 course of embryonic, 78, 132 

 establishment of, 78 

 intra-embryonic, f. 47, 137 

 significance of embryonic, 131 

 vitelline, f. 48, 68, 77, 134 



Cleavage, accessory, 19 

 discoidal, f. 5, 16 

 holoblastic, f. 4, 16- 

 meroblastic, f. 4, 16 

 process of, in birds, f. 5, 16 



Cleavage cavity (see blastocoele). 



Cloaca, f. 31, f. 43» 130 



Cloacal membrane, f. 31, 130 



Cloacal opening, 130 



Coelom, divisions of embryonic, 150 

 extra-and intra-embryonic, f.'28, 



f. 30, f. 32, 49, 151 

 formation of, f, 54, 49, 150 

 pericardial region of, f. 16, f. 24, 

 f. 26, f. 27, 49, 72, ISO 



Concrescence, of blastopore, f. 9, 28 

 of anterior intestinal portal, 69 



Conus arteriosus (see bulbo-conus). 



Conjunctival epithelium, 122 



Cornea, 122 



Corpora quadrigemina, 117 



Corpus vitreum (see vitreous body). 



Cranial flexure, 75, in 



Crura cerebri, 117 



Cutis plate (see dermatome). 



Cystic duct, 1 26 



Deutoplasm, 7 



effect of on cleavage, f. 4, 14 

 effect of on gastrulation, f . 6, 2 1 



Dermatome, f. 38, f. 44, 107 



Diencephalon, f. 42, 65, 116 



Diocoele (= lumen of diencephalon, 

 q. v.). 



Dio-mesencephalic boundary, f. 42, 117 



