LONG and MARK- Maturation of Egg of Mouse 



Plate 



B&L 





(&lr?v 



'AS, 





© 



11 



i 



r 



^ - 



- 



// 



^ 



$ 



m 





/^ 



<Sa 



&V . " 



86 





* 7/^i 



/0< 



10 b 





13 



1AI. del. 



