CHIM/ER( 



In the newly deposite 

 smaller, together with th< 

 capsules shown in plate n, 

 chians (Riickert). Its con 

 thus, shortly before breakii 

 sistency that it will flatte 

 Its ellipsoidal outline is a 



Fig. 30. Early ovarian egg of Chimaera co 

 around it the extent of the space intlii 

 arterial blood supply; />, peritoneum; 



Figs. 3 1 and 32. Sections of the marginal 

 indicating changes in the tunic and I 

 by, botryoidal yolk masses developei 

 membrane surrounding egg; gs, gona 

 i, inmost layer; m, middle layer; o, 



present an almost spherica 

 capsule be opened (plate i 

 cream. 



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THE OVARIAN MEMBRANES. 



Comparison with corresponding stages in shark (Pristiurus) shows that the 

 wrappings of the ovarian eggs of Chimaera are the more complex. In early stages of 

 the latter the ovarian tunic is thicker and its nuclear elements more abundant and 

 more evidently specialized. Thus in fig. 30, which shows in section an egg of about 

 5 mm. , one notes the thickness of the tunic ; this (greatly enlarged) is shown in 



