EXPLANATION OF PLATE XVI. 



Fig. I. — hateral view oi Lepiocephalus tnilnei ; same size. 



,, 2. — Lateral view of Leptocephalus verniicularis; same 

 size. 



,, 3 — Dorsal view of the head-region of L. verniicularis; 

 much enlarged. 



Notopterus chitala. 



Figs. 4-6. — Three stages of embryos in the egg-membranes. 



Fig. 7. — Embryo with the head still attached to the large 

 yolk-sac. 



,, 8. — Embryo of stage IV. 



>> 9-— ,, ,, ,, V. 

 „ 10.- „ „ „ VII. 



