230 i;sociuji. 



than those of tlie palatine bones. A veiy distinct black suborbital 

 band. 



United States. 



It. Young. New Orleans. Purchased of Mr. Cuming. 



6. Esox ravenelii. 



Ho/brook, Fish, of South Carolina, p. 

 Similar to E. niger, but with twelve dorsal rays only ; and the 

 vomerine series is longer than the palatine. 

 South CaroHna. 



7. Esox cypho. 

 Cope, Proc. Acad. Nat. Sc. Philad. 1865, p. 78. 



B. 11-13. D. 16. A. 14. V. 9. 



Operculum and suboperculum entirely covered with scales. Dorsal 

 region elevated, with the outline arched : pectoral fins much nearer 

 to the ventrals than to the end of the intermaxillary. The height 

 of the body is one-fifth of the total length (without caudal), the 

 length of the head two-sevenths. The eye is much nearer to the 

 end of the snout than to the margin of the opercle. Frontal groove 

 shallow. Brown, with numerous spots and vertical bars on the 

 lower part of the sides ; operculum obhquely barred ; a black sub- 

 orbital band. {Cope.) 



Michigan . 



