438 REPORT OF NEW JERSEY STATE MUSEUM. 
Ambloplites rupestris Abbott, Geol. N. J., 1868, p. 807.—E. 
emuth; Proc.: Linn. soc: Noy. [X,.1807..p141. 
Genus MicroprEerus Lecépéde. 
The Black Bass. 
The fishes of this genus form a sub-family, Micropterine, dif- 
fering from all the other species in their elongate form and deeply 
emarginate dorsal fin. 
Key to the species. 
a. About 17 rows of scales on cheek; young more or less barred or spotted, 
without black lateral band. DOLOMIEU 
aa. About Io rows of scales on cheek; young with a dark lateral band. 
SALMOIDES 
Micropterus dolomieu Lacépéde. 
PLATE IOI. 
Small Mouthed Black Bass. 
Mouth smaller than in the next and dorsal less deeply notched. 
Introduced from the Great Lakes and Mississippi valley. It is 
found usually in clear cold water, or cool running streams, and is 
more highly prized as a game fish than the next. It is good 
eating. 
Micropterus dolomie: J.. Nelson, Rep. Geol. Surv. N. J., U, 
Zool. «1890; p.. 720. 
Micropterus dolomieu FE. Smith, Proc. Linn. Soc. N. Y., IX, 
1897, p. 43. 
Micropterus salmoides (Lacépéde). 
PLATE 102. 
Large Mouthed Black Bass. Large Mouthed Bass. Oswego 
Bass. Black Bass. 
Maxillary of the adult reaching beyond the eye, shorter in the 
young, and dorsal fin deeply notched. 
