Bull. U. S. B. F.. 1914. 



Plate LVIII. 



Fig. 23. — Orthopristis chrysopterus. Scale from a fish i year old. X 35. 



Fig. 24. — Orthopristis chrysopterus. Scale from a fish 2 

 years old. X 12. 



-'ssr-^^--^^ 



Fig. 25. — Orthopristis chrysopterus. Scale from a well- 

 fed fish in aquarium no. i. X 12. (See table ;.) 



Fig. 26. — Orthopristis chrysopterus. Scale from a spar- 

 ingly fed fish in aquarium no. 2. X 12. 



