THE OVARY AND THE EGGS. 



131 



during the breeding season than at other times ; the large 

 brownish-yellow eggs become conspicuous in the ovary, 



Fm. 32. — J. <ita cm JlKviat (Us. — A, a two-thirds grown egg contained in 

 its ovisac (x 50); B, an egg removed from the ovisac (x 10) ; 

 C. a portion of the wall of an ovisac with the adjacent portion of 

 the contained egg, highly magnified ; ej), epithelium of ovisac ; 

 </s, germinal spots : ffi', germinal vesicle ; m, membrana propria ; 

 V, vitellus ; vm, vitelline membrane ; n-, stalk of ovisac. 



and the testis assumes a milk-white colour, at this 

 period. 



The walls of the ovary are lined internally by a layer of 



