34 CONTRIBUTIONS TO NORTH AMERICAN ICHTHYOLOGY II. 



AA. No lateral lino ; no vomerine teeth apparent ; fins little developed, the dorsal 

 with 5 spines, the anal with 3: branchiostegals ajjparently 5; scales 

 cycloid; upper jaw unusually protractile; jaws with strong teeth; 

 size small (Elassomince) : 

 Tc. Mouth small, oblique, the lower jaw the longer ; jaws with apparently one row 

 of stout conical teeth; branchiostegal membranes broadly connected 

 across the pectoral region ; body rather elongate, compressed ; caudal 

 fin rounded ; cheeks and opcrcles scaly Elassoma, 17. 



CATALOGUE OF SPECIES OF CENTRARCHID^. 



I give below a catalogue of the species of Centrarchidce, which appear 

 to be valid, with their geographical distribution. Those of which I have 

 not been able to examine specimens are indicated by a star (*). Several 

 species, as Lepomis ophthalmicus Cope, Bryttus huniiUs Grd., are known 

 only from specimens too immature for me at least to come to any cer- 

 tain conclusion as to their true relations. 



The type-species of each genus is placed first ; d. s. indicates doubt- 

 ful species; d. g., doubt as to whether placed in the proper genus. 



MiCROPTERUS, Lacepede. 



1. Micropterus salmoides, (Lac.) Gill. — New England and Great Lake 



Region to Alabama. 



2. Micropterus pallidus, (Raf.) Gill & Jordan. — Great Lake Region and 



Red River of the North to Virginia, Florida, and Mexico. 



Ch^nobryttus, Gill. 



3. Chaenobryttus gulosus, (C. & V.) Gill. — Upper Great Lakes, Mis- 



sissippi Valley, and Southwest. 



4. Chaenobryttus viridis, (C. & V.) Jordan. — Virginia to Florida, east 



of the Alleghanies. 



Ambloplites, Rajinesque. 



5. Ambloplites rupestris, (Raf.) Gill. — Lake Champlain to the Sas- 



katchawan and south to Florida and Texas. (Includes two or 

 three geographical varieties or nascent species.) 



6. Ambloplites cavifrous, Cope. — Virginia to North Carolina. 



Archoplites, Gill. 



7. Archoplites interruptus, (Grd.) Gill. — Streams of the Pacific Slope. 



ACANTHARCHUS, Gill. 



8. Acantharchuspomotis, (Baird) Gill. — New York to South Carolina, 



coastwise. 



