162 



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 ccelom). 

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

 Bowman'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. 50, 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, 1 1 1 

 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, 101 



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 

 mtra-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 blastoccele). 



Cloaca, f. 31, f. 43, 130 



Cloacal membrane, f. 31, 130 



Cloacal opening, 130 



Ccelom, divisions of embryonic, 150 

 extra-and intra-embryonic, f. 28, 



f. 30, f. 32, 49, iSi 

 formation of, f, 54, 49, 150 

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

 f. 26, f. 27, 49 72, 150 



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, 126 



Deutoplasm, 7 



effect of on cleavage, f . 4, 14 

 effect of on gastrulation, f. 6, 21 



Dermatome, f. 38, f. 44, 107 



Diencephalon, f. 42, 65, 116 



Dioccele (= lumen of diencephalon, 

 q. v.). 



Dio-mesencephalic boundary, f. 42, 117 



