370 



INDEX 



Valvula parodoxica, 278. 



Vas afferens, 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 Fieart, 73, 

 Ventricles of brain, 



294. 

 Vertebras, 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. 



264, 279. 

 103, 291, 



293. 



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. 



Printed in the United States of America. 



