978 



INDEX. 



PAGE 



V.'olffian bodies, development of the epididymis from 928 



Wolfflan ducts 914, 927 



development of the vasa deferentia from 928 



Woorara, pulsation of the heart in animals poisoned 



by 56, 59, 61 



absorption of 319, 827 



influence of, upon nervous irritability 595 



Wrisberg, nerve of 620, 621, 760 



PAGE 

 Xanthine 420 



Yawning 134 



Yolk, principal, or formative 870 



Youth 945 



Zona pellucida 869 



Zone of Zinn 778, 779, 7S1 



THE END, 



/ 



