2 Bass, Pike, and Perch 



Mkropterns salmoides. Large-mouth Black-bass. Body ovate- 

 oblong; head 3 ; depth 3 ; eye 5 ; D. X, 13 ; A. Ill, 1 1 ; scales 

 8-68-16; scales on cheek large, in 10 rows; mouth very large, 

 maxillary extending beyond the eye ; teeth villiform. 



GENUS AMBLOPLITES 



Ambloplites riipestris. Rock-bass. Body oblong, moderately com- 

 pressed; head 2f ; depth z\\ eye 4; D. XI, 10; A. VI, 10; 

 scales 5-40-12, with 6 to 8 rows on cheeks ; mouth large, maxil- 

 lary extending to posterior part of pupil ; teeth small, single 

 patch on tongue; gill-rakers 7 to 10, on lower part of arch ; 

 preopercle serrate near its angle ; opercle ends in 2 flat points. 



GENUS ARCHOPLITES 



Archoplites interruptus. Sacramento Perch. Body oblong-ovate, 

 compressed; head 2| ; depth 2^; eye 4; D. XII, 10; A. VI, 

 10; scales 7-45-14; 8 rows on cheeks; mouth very large, 

 maxillary extending beyond pupil ; teeth numerous and small, 

 with 2 patches on tongue ; gill-rakers 20 ; opercle emarginate ; 

 most of the membrane bones of head serrate. 



GENUS CH^NOBRYTTUS 



ChcBHobrythis gtilosics. Warmouth Perch. Body heavy and deep ; 

 head 2\ ; depth 2J ; eye 4 ; D. X, 9 ; A. Ill, 8 ; scales 6-42-1 1 ; 

 6 to 8 rows on cheeks ; teeth small and numerous ; gill-rakers 

 9 •, preopercle entire ; mouth very large ; opercle ends in a 

 black convex flap. 



GENUS LEPOMIS 



Lepomis pallidus. Blue Sunfish. Body short and deep, com- 

 pressed; head 3; depth 2; eye 3^; D. X, 12; A. Ill, 12; 

 scales 7-46-16; 5 rows on cheeks; mouth small, maxillary 

 barely reaching eye; teeth small and sharp; opercular flap 

 without pale edge; gill-rakers x + \i to 13. 



Lepomis megalotis. Long-eared Sunfish. Body short and deep, the 

 back arched ; head 3 ; depth 2 ; eye4 ; D. X, 11 ; A. Ill, 9 ; scales 

 5-40-14 ; 5 rows on cheeks ; mouth small and oblique ; opercular 

 flap long and broad, with red or blue margin ; gill-rakers x-\- 8 or 9. 



