PEOCEEDINGS OF UNITED STATES NATIONAL MUSEUM. [1885. 



EXPLANATION OF PLATE VI. 



Fig. ] . — Side view of fcptal Gamhvsia receutly removed from the ovarian follicle, x 22. 



Fig. 2.— Side view of a somewhat older embryo taten from the follicle and liardened in cbromic acid. 



xll. 

 Fig. 3. — Side view of a still older embryo, witb tbo yejk-sac still apparent, taken fi om tbe follicle and 



figured wbile alive. x22. 



