Micropterus dolomieu. Small-mouth Black-bass. Body ovate-oblong; head 3; depth 3; eye 6; D. X, 13; A. III, 10; scales 11-73-17; mouth large, the maxillary reaching front of eye; scales on cheek minute, in 17 rows; teeth villiform.
Micropterus salmoides. Large-mouth Black-bass. Body ovate-oblong; head 3; depth 3; eye 5; D. X, 13; A. III, 11; scales 8-68-16; scales on cheek large, in 10 rows; mouth very large, maxillary extending beyond the eye; teeth villiform.
GENUS AMBLOPLITES
Ambloplites rupestris. Rock-bass. Body oblong, moderately compressed; head 2-3/4; depth 2-1/2; eye 4; D. XI, 10; A. VI, 10; scales 5-40-12, with 6 to 8 rows on cheeks; mouth large, maxillary 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 2-2/3; depth 2-1/2; 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 CHÆNOBRYTTUS
Chænobryttus gulosus. Warmouth Perch. Body heavy and deep; head 2-1/2; depth 2-1/4; eye 4; D. X, 9; A. III, 8; scales 6-42-11; 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.