OVARY Of^ LEPTODORA 



45 





Fig. 15. — A, Ovary of a partheuogeuetic Leptodora hyalina; B, base of another ovary 

 of the same si^ecies, showing a so-called "nutrient chamber " ; C, ovary of a female 

 Daphnia, showing the formation of a winter-egg. ■ h% E^-E.^, Parthenogenetic egg ; 

 Ep, ovarian epithelium ; G, germarium ; N.C, nutrient chamber ; O.D, oviduct ; W, 

 winter-egg ; 1, 2, 4, the other three cells of the same group ; 11, III, two other 

 groups of germ-cells. 



