Bull. U. S. B. F., lyi.v 



Plate XIX. 







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~^^*=^:«g^ 



12 



Fig. 9. — Advanced embryo inclosed in ovarian follicle, x 30. 



Fig. 10. — Embryo with yolk sac nearly absorbed, removed from ovarian fuUicle. x iS. 



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



Fig. 12. — New-born fish, side view, x 15, 



