530 CONTRIBUTIONS TO NORTH AMERICAN ICHTHYOLOGY - IV. 



second anal spine .\ length of Lead. Axis of body rather below the 

 middle of its depth. Ilead conical, slightly depressed at the nape. 

 Month small, nearly horizontal; maxillary reaching middle of pupil. 

 Head about 3 in length; depth about 2J. Eye large, its diameter 

 equal to the length of the snout. D. IX-I, 14; A. Ill, 12 ; Lat. 1. 55. 

 L. 15 inches. Great Lakes, Mississippi Valley, and northward. A game 

 iish of some repute. 



chryf02)8 Raf. Ich. Oh. 1820, 28: Labrax mnltiUneatus Kirtland, Bost. Jour. 

 Nat. Hist, v, 21: Roccus ch r ysops Gill, Proc. Acad. Nat. Sri. Pliila. 1860, 113: Labrax 

 om-nhilii, limit ilincata, and notata Giinther, i, Go, 6? : Labrax albidun Dekay, New York 

 Fauua, Fish. 1842, 13.) 



l>b. No teeth on base of tongue; second anal spine enlarged; jaws equal; scales on 



rlu-cks ctenoid; dorsal fins somewhat connected. (Alorone* Gill.) 

 d. Sides striped with black. 



32. K. ieBtcrruptus (Gill) J. & G. Yellow Bass. 



Brassy, tinged with olivaceous above; sides with 7 very distinct lon- 

 gitudinal black bands, darker than in the other species, those below 

 the lateral line interrupted posteriorly, the posterior part alternating 

 with the anterior. Body oblong-ovate, with the dorsal outline much 

 an-hed. Head depressed, somewhat pointed, its prolile concave. Eyes 

 large, their diameter equalling length of snout. Mouth somewhat 

 oblique, maxillary nearly reaching middle of orbit. Spines very robust ; 

 second anal spine f length of head. Dorsal fins little connected. Head 

 3 in length; depth 2. D. IX-I, 12; A. Ill, 9 ; Lat. 1. 50. L. 1 foot. 

 Mississippi Valley, chiefly southward; north to Illinois. 



I 



(Labrax chryvops Girard, U. S. Pac. R. R. Surv. Fish. is.~>8, 29; not I'crca cltrynopa 

 Rat'. : Morone inten-upta Gill, Proc. Acad. Nat. Sci. 1'hila. I860, 118.) 



dd. Sides not striped vrith black. 



w:j:j. R. a me ri can us (Gmel.) J. & a. White Perch. 



Olivaceous; sides silvery, with faint lighter streaks. Body oblong. 

 o\ate; dorsal outline much arched: the head depressed above eyes, 

 and rather pointed. Mouth rather small, somewhat oblique, maxillary 

 iiraily reaching the vertical from the middle of the orbit. Eye mod- 

 erate. its diameter alum! equal to length of snout. Spines strong, the 

 second ;ui:il spine nearl\ .] length of head. Dorsal tins considerably 

 connected. Head .''> in length ; depth about .'>. D. IX-I, 12; A. Ill, 9; 



*<-ill. I'r.M-. Ai -id. N;ii. Sci. 1'hila. 18GO, 11<>: tvpr I'l-n-n ninn-lt-ann (Jnu-1. Morone 

 M ; t.li. h'i-|it. Fisli. N. V. 1-11. 18; Is properly a synonym nf /'((<. (Mraniug, if any, 

 unknown.) 



