153 



of the total length. The upper regions arc V)luish-black, 

 whilst the abdomen is whitish. 



Fin-rays:— D. 1. 5. 1; P. 1. 9; Y. 8; A. 20; C. 3. 1. 

 8. 7. 1. 4. 



A. lynx, Girarcl, Proc. Ac. Nat. So. Phil., 1859, p. 160. 



This occurs in the Potomac and Patapsco Eivers in the 

 same places as A. catus, and near Baltimore is the joy of the 

 poor colored people, who catch it in considerable numbers. 



It does not seem to grow to such large size as the preced- 

 ing. 



Acad. Coll. S. I. 



LVII-CONGRIDi;. 



CONGER, Ciiv. 



C. oceaniea. 



Congei Eel 



Head nearly one-eighth of the total length, pyramidal, flat- 

 tened above. Lateral line distinct, and with a series of whit- 

 ish puBctures through its whole length. Eyes large; lips 

 large and fleshy. The tail ends in an acute tip. Pectorals 

 oblongr, with seventeen ravs. The dorsal tin is continuous 

 with the caudal and anal. Dark olive-brown above; chin, 

 space behind pectorals, and all beneath soiled white. Dorsal 

 and anal of a deep black-hue along their margins. Length, 

 3 to 5 feet. 



Fin-rays:— P. 17; D. C. & A., 539—550. 



C. oceaniea, Mitch. Journ. Ac. Nat. Sc. Pliilad., I. p. 407. 



Common in the lower Potomac, and in the parts of rivers 

 within the reach of tide. Brought to our markets in large 

 numbers, and find a ready sale. 



Acad. Coll. 



LVIil— ANGUILLIDE. 



ANGUILLA, Cuv. 



A. bostdniensis. 



Common Eel or Fresh-Water Eel 



Body cylindrical, compressed behind, terminating in a 

 point. Head equal to about one-tenth the length of the body, 

 compressed above, tapering to a blunt point at the snout. 

 Lips fleshy; lower jaw slightly longest. Greenish, or olive- 

 brown above; yellowish, or vellowish-white beneath; fre- 

 13 



