Ill 



MICROPTERUS, Gill 



M. saimoides. 



The Black Bass. 



Elongated oval, arched; thick and rounded along the back; 

 thinner and nearly straight at the belly. Head very large 

 and thick, especially between the eyes; snout full and rounded; 

 eyes very large. Head and body dusky above, with a green- 

 ish or bronzed tint; lower jaw and belly white; along the 

 flanks runs a dusky band, more or less distinct according to 

 the age of tlie fish; a bluish-black spot on the point of the 

 ■opercle. Total length, 14 inches, but occasionally 24 inches. 



Fin-rays:— D. 9. 14; P. 14; V. 1. 5; A. 3. 12; C. 19. 



31. saimoides, Gill, Proc. Amer. Assoc. 1873, p. 67. 



Lahrus saimoides, Lacep. IV. pp. 71G, 717, pL 5, fig. 2. 



Gi-ystes saimoides, DeKav, New York Fauna, Fishes, p. 20, 

 pi. 69, fig. 223. 



Introduced into the Potomac River from the Youghioghany ; 

 :and now abounds in some of the upper parts of that stream, 

 likewise in the Chesapeake and Ohio Canal, and has become 

 naturalized in Lake Roland, near Baltimore. 



It is greatly esteemed by the inhabitants of Montgomery, 

 Frederick and Washington counties, who travel many miles 

 ■to obtain a supply of it. 



Acad. Coll. 8. I. 



HYPERISTIUS. 



H. hexacanthus, 



G-oggle-Eye, or Goggle-Eye Perch. 



Nearly oval, much compressed, arched, thin both at the 

 back and belly, the thickest part being just above the lateral 

 line. The long, thin and elevated head is incurved above the 

 eyes, and the snout is rounded, though narrow. The eye is 

 very large. Head and body above more or less dusky, shaded 

 with bluish-green; lower jaw, sides and belly silvery, marked 

 with bluish-green blotches, more or less distinct, and placed 

 without much regularity. The dorsal, anal and caudal fins 

 with numerous yellowish spots. Total length, 8 to 12 inches. 



Fin-rays:— D. 7. 15; P. 12; V. 1. 5; A. 6. 17; C. 17. 



Gentrarchus hexacanthus, Guenther, I. p. 257. 



— sparoides, Cuv. & Val., III. p. 88, pi. 48. 



