Fig. 29. 
E.f. A.p.f. 
Trans. Roy. Soc. Edin. 
Vol. LIT. 
Professor Arthur 'Robinson : “The Formation, Rupture, and Closure of Ovarian Follicles in Ferrets and Ferret-Polecat 
Hybrids, and some Associated Phenomena.” — Plate A r . 
Fig. 27a. 
M.o. 
