INDEX OF PART I. 



XI 



Wolff, C. F.. first suggestion of laminrc in blasto- 

 derm by, 23 



duct of, 115 

 Wolffian body, 115, n., 116, 117, 118, 122 



atrophic changes of, 120 



connection with testis, 120, 126 



veins of, 151 

 Wolffian duct, 115, 116, 117, 118 



remnant of, in parovarium, 120 



as duct of Gartner, 120 



male generative organs, 120 



permanent kidney, 122 



connection with Miillerian duct, 123 



Wolffian vesicles. 118, 118, n. 



YOLK, structure of, 7 

 sac, 35, 99, 104 

 vitelline circulation round, 40 



ZACH ARIAS, polar globules in Ascaris, 9 

 Zimmerman n on arterial arches, 151 

 Zona pellucida (transparent zone), 6, 7 



penetration of, by spermatozoon, 1 1 

 Zonule of Zinn, 87 

 Zuckerkandl, gyms subcallosus of, 81 



END OF PART I. 



BRADBURY, AfiNKW, & CO. I.TMF., PRINTER;, WIIITZFRIARf 



