86. SEKKANID^E - SEER ANUS. 535 



anal spines slender, rather low, the former continuous with the soft 

 rays; second anal spine small; caudal deeply emarginate; pectoral s 

 shortish, reaching tips of ventrals. Seme of preopercle forming two 

 diverging groups of long spines at its angle; lower limb of preopercle 

 entire. Head 3; depth 4. D. IX, 12; A. II, 7 ; Lat. 1. about 65. West 

 Indies, north to South Carolina ; not rare. 



(Cuv. & Val. ii, 245: Cenlropristis fascicularis Guiither, i, 83: Diplectrum fasciculare 

 Holbrook, Icth. S. C. I860, 35.) 



cc. Serrse of preopercle simple. (Hallperca* Gill.) 

 d. Soft dorsal of more than 13 rays. 



839. S. suMagariiBS (Cope) J. & G. 



Chocolate-brown; cheeks, iuteropercle, maxillary, and mandible with 

 a coarse network of white lines; yellowish below; body with 5 vertical 

 cross- bands, 2 on the caudal peduncle and 2 above anal fin; pectoral 

 and caudal with small brown spots; second dorsal and anal brown, 

 with rows of small white spots. Form elongate-oval. Head narrow, 

 conical; profile regular ; mandible projecting; opercle with three points; 

 maxillary smooth ; cheeks and opcrcles scaly, those on the latter minute ; 

 scales on the vertex ceasing behind posterior margin of pupil. Median 

 dorsal spines subequal ; median anal spines extending beyond base of 

 anal fin; caudal truncate. Teeth and armature of preopercle not de- 

 scribed, but doubtless much as in S. atrarius, D. X, 14; A. Ill, 8; 

 scales 5^-48-18. Pensacola, Fla. (Cope.) 



(Centropristis subligarlus Cope, Proc. Acad. Nat. Sci. Phila. 1870, - .) 



bb. Dorsal fin emarginate, some of the anterior spines being elevated ; soft dorsal 

 long; preopercle simply serrate. (Paralabrax\ Girard.) 



840. S. cBaiEsa-atMS (Gr<l.) Steiud. Rock Bass; Cabrilla. 



Grayish green, with obscure, broad dusky streaks and bars, which 

 form reticulations on the sides; sides often mottled or shaded with 

 bluish or yellowish, but usually without distinct spots; a broad dark 

 shade near axis of body, below which the color is nearly plain silvery 

 gray. Preorbital narrow, its least width slightly more than half the 

 diameter of the orbit. Maxillary broad, much expanded at tip, its 

 greatest width two-thirds diameter of eye. Gill-rakers rather long, 22 

 below the angle. Pectorals long, 1 in head ; ventrals If in head ; 

 third, fourth, and fifth dorsal spines about equal, the second spine 



*Gill, Proc. Acad. Nat. Sci. Phila. 186-2, 233: type Serranus bivittatws C. & V. (a/lc, 

 sea; Tr'spur/, perch.) 



t Girard, Proc. Acad. Nat. Sci. Phila. 1856, 131: type Labrax nebuJifer Grd. Atraclo- 

 pena and Go:iioperca Gill, (napa, near; Xafipa'c,, Labrax.} 



