INDEX. 639 



Vein, vertebral : ChioU, 309 



▼itelline : Frog, 183 ; Ckicl, 300, 309, 310, 314 ; Mabbit, il3, 414, 420 ; 



Man, 668, 579-581, 602 

 Velar plates : Frog, 163 

 Velar tentacles : AmpMoxiis, 80, 81 

 Velum : Amphioxus, 40, 80 

 Velum mednllse anterius : Saibit, 380 

 Velum meduUse posterius : Rabbit, 381 

 Venous valves of heart : Rabbit, 414 

 Ventral commissure of spinal cord : Man, 525 

 Ventral fissure of spinal cord : Chiolt, 250 ; Man, 527 

 Ventral roots of spinal nerves : Frog, 128 ; Chich, 273 ; Rabbit, 385 ; Man, 



524 

 Ventricles of brain : Frog, 116, 122-123; see also Third, Fourth, Fifth, and 



Lateral Ventricles 

 Ventricle of heart : Frog, 168-169 ; Chich, 300-303 ; Rabbit, 415 ; Man, 566, 



567, 571 

 Ventricular septum: ijhick, 301, 302; Rabbit, 415; Man, 572-573 

 Vermis : Rabbit, 380 

 Vernix caseosa : Man, 508 



Vertebral column : Frog, 198-201 ; Chiclt, 324-328 ; Rabbit, 430 

 Vertebral plate : Cliiclt, 244 

 Vertebral segmentation : Chiclt, 327 



Vesicle of brain : Frog, 118 ; CMclt, 252; Rabbit, 371 ; Man, 481, 491 

 Vesicle of hemispheres : Frog, 126; 6%icJ, 260; Rabbit, 516; Mom, 510, 516 

 Vesicula seminalis : Frog, 194-195 

 Villi of intestine : Man, 549 

 Villi of placenta : Rabbit, 441 

 Villous zone of placenta : Man, 612 

 Visceral arch : Frog, 15%; CMcA, 283-284 ; Rabbit, i.QQ~i01 ; Man, 487, 495, 



498-499, 550-553 

 Visceral clef t : Frog, 92, 157-160; Chicli, 283, 285 ; Man, 490, 492, 495, 551 

 Visceral groove : Chioli, 283 ; Rabbit, 400 ; Man, 550, 551 

 Visceral pouch : Frog, 157-160 ; Chick, 283 ; RabUt, 400 ; Man, 550, 551 

 Visceral skeleton : Frog, 205-207 ; Chicle, 330-331 

 Vitality of ovum : Man, 466 

 Vitelline circulation : Rabbit, 420-421 



Vitelline loop of intestine : Chick, 290 ; Rabbit, 403 ; Man, 547, 548 

 Vitelline membrane : Amphioxus, 49 ; Frog, 96 ; Sen, 229 ; Rabbit, 349 

 Vitreous body : Babbit, 392 ; Man, 539 

 Vocal cord : Man, 562 

 Vulva: Rabbit, 412 



Whartonian jelly : Man, 602 



White matter of brain : Babbit, 382 



White matter of spinal cord : Chick, 250 ; Babbit, 382 



White of egg : Hen, 220, 229, 231 



White yolk: Hen, 280 



Wing : ChicJi, 332-334 



Wolffian body: Frog, 191-ldS ; Chicle, 316-318,320; Babbit, 422-424; Man, 



588-590, 593, 595 

 Wolffian duct: Frog, 193-195; Chick, 315-316, 320; Babbit, 421-422 ; Man, 



588, 593, 595-596 

 Wolffian ridge : Man, 492, 496, 501 

 Wolffian tubules : Frog, 191-193 ; Chicli, 316-318 ; Babbit, 422 ; Ma)i, 589, 



593 



Xiphisternum : Frog, 213 



Yellow yolk : Hen, 230 



Yolk : 4-7, 19, 29 ; Frog, 96 ; Chick, 220-222, 229 



