486 



INDEX. 



Vessels of placenta, 360 363 



Vestibule, chick, 158 



Villi : of human ovum, 335 ; of 

 zona in dog, 347; of subzonal 

 membrane of rabbit, 347 ; of 

 chorion of mammal, 349; of 

 placenta, 360363 



Visceral arches, 245 ; of rabbit, 



334 



Visceral arches of chick, 162 167; 



of rabbit, 334; of mammalia, 



402 

 Visceral clefts: of chick, 162 



167, 281; closure of do., 164; 



of rabbit, 334; of mammalia, 



402, 418 



Visceral folds of chick, 163 

 Visceral skeleton of chick, 242 



246 

 Visceral vein of chick, 284 290 ; 



of mammalia, 409 413 

 Vitellin, 5 

 .Vitelline arteries: of chick, 167, 



293 298, 225; of second day, 



89, 103 

 Vitelline duct of chick, 196, 232 ; 



of mammals, 350 

 Vitelline membrane, 4; of hen's 



egg, 1 3 1 5 ; of mammal, 310 

 Vitelline veins of chick, 84, 226, 



288 290 ; of second day, 92, 



104; in rabbit, 343; of mam- 

 malia, 410 413 

 Vitreous humour of chick, 140, 150 



Viviparous animals, 308 

 Vomer of chick, 246 



W 



White matter : of spinal cord of 

 chick, 252; of brain of mam- 

 malia, 386 387 



Wings of chick, 200 



Wolffian body: of chick, 190 

 193; of mammalia, 4/4; of 

 chick of second day, 106 



Wolffian duct of chick, 190, 213 ; 

 of second day, 94 95, 106; of 

 mammalia, 414 



Wolffian ridge of chick, 198 



Wolffian tubules of chicK, 106, 

 191193, 213 



Yolk of hen's egg, 4 7 ; arrange- 

 ment of, 6; structure of, 5 



Yolk-sac: of chick, 28 37, 277 

 280; of mammals, 327; of 

 marsupials, 352; of rabbit, 353; 

 of human ovum, 355 358; of 

 dog, 358 



Z 



Zona radiata, 310; of chick, 15 

 Zonary placenta: histology of, 

 360 ; derivation of, 364 



CAMBRIDGE : PRINTED BY C. J. CLAY, M.A. & SON. AT THE UNIVERSITY PRESS. 



