46 



INDEX 



Centrosome, i, 2 



Cephalic flexure, 22, 23 



Cerebellum, 28 



Cerebral hemispheres, 28, 32, 35 



Cervical flexure, 28 

 sinus, 33 



Chalazae, 12 



Chick embryo, 15, 16 



Choroid fissure, 22, 29, 34, 35 



Chorion, 24, 38 



Chromatin, i, 3, 6 



Chromosomes, 2, 6 



Circulatory system, reconstruction 

 of in chick of thirty-three 

 to thirty-eight hours' in- 

 cubation, 21 

 of forty-four hours' incuba- 

 tion, 27 



Cleavage, kinds of, 8 

 stages of, ID 



Coelome, 19, 20, 26 



Colon, descending, 40 



Common bile duct, 41 



Corona radiata, 5 



Corpora lutea, 38 



Cyclostomata, 8 



Cytoplasm, i, 3, 6, 7, 9, 12 



Cystic duct, 40 



Daughter cells, 3 



Descending colon, 40 



Deutoplasm, 4 



Diaphragm, 41, 42 



Diaster, 3 



Diencephalon, 28 



Discoidal cleavage, 9 



Discus proligerus, 5 



Dissection of pig embryo, 39 



Dorsal aorta, 20, 21, 24, 35, 41 

 mesentery, 30 

 zone of spinal cord, 34 



Duodenum, 32 



Duct of Cuvier, 26, 35 



of Wirsung, 41 

 Dyad, 6 



Echinodermata, 8 

 Ectoderm, 18, 10. 00 

 Egg, cleavage of, 8 



fertilization of, 7 



formation of, 4 



hard-boiled, 13 



hen's, 12 



incubated, 14 



maturation of, 6 



parts of, 4 



raw, 12 

 Embryo of chick, fixed and stained, 



15 



transverse sections of, 17, 

 23, 29 



live, 14 



whole mount, 15, 16, 21, 27 

 of pig, dissection of, 39 



pregnant uterus, 37 



ten millimeter, 32 



transverse sections, 34 



whole embryo, 32 

 Embryonic body cavity, 19 

 Endocardium, 19, 26 

 Endoderm, 18, 19, 20 

 Endolymphatic duct, 34 

 Epiblast, 18 

 Epiphysis, 28 

 Equal cleavage, 9 

 Evagination, 18 

 External auditory meatus, ^:i 

 Extra-embryonic body cavity, 19, 

 20 



Eye, lens of, 22, 23, 30, 32, 35 



Fallopian tube, 37, 40 

 Fertilization, 3 



