37<> 



INDEX 



V.ilvula parodoxica, 278. 



Yas after ens, 203. 



Vas deferens, 205. 



Vasa efferentia, 115, 204, 215. 



Veins, 265, 272-277 ; anterior abdom- 

 inal vein, 73, 276. 



Vena cava, 265, 274. 



Vent, 74. 



Ventricle of heart, 73, 264, 279. 



Ventricles of brain, 103, 291, 293, 

 294. * 



Vertebrae, 116, 237. 



Vertebral plate, no. 



Vesicula seminalis, see Seminal ves- 

 icle. 



Visual green, 329 ; purple, 329. 



Vitelline membrane, 85, 89. 



Vitreous humor, 326. 



Vocal cords, 167 ; sacs, 69, 167. 



Voice, 31, 165, 302. 



Vomer, 232. 



Vomerine teeth, 69, 232. 



White matter of cord, 287. 

 Wolffian body, 113; duct, 115. 

 Wood frog, 20, 354; see also Rana 

 sylvatica. 



Xantholeucophores, 188. 

 Xanthophores, 188, 

 Xiphisternum, 239. 



Yolk, 86. 

 Yolk plug, 95. 



Zaitha, 39. 

 Zygapophyses, 237. 

 Zymogen, 151. 



