Bull. U. S. B. F., 1913- 



Platk XIX. 



■1^9^ 





,^^>;-;'v^ 



ZZnSs=> 



12 



Fig. 9. — Advanced embryo inclosed in ovarian follicle, x 50. 



pjQ 10.— Embryo with yolk sac nearly absorbed, removed frmn ovarian fnIlKif, x iS. 



Fig. II.— New-born fish, dorsal view, x 15. 



Fig. 12.— New-born fish, side view, x ^5- 



