2io FIELD COLUMBIAN MUSEUM ZOOLOGY, VOL. V. 



orbital, its front behind tip of maxillary; jaws equal; 5 rows of scales 

 on the cheek; fifth dorsal spine the highest; soft dorsal and anal 

 reaching caudal; tip of pectorals reaching vent. 



Color dark brown flecked with pale; 4 to 7 ocellated, vertically 

 expanded black spots on side below dorsal fin; an ocellated black 

 spot on base of tail above lateral line; side with 10 or 12 faint dark 

 cross bands. (Garman.) 



197. Cichlasoma beani (Jordan). 



Heros beani Jordan, Proc. U. S. Nat. Mus., 1888, 332; Rio Presidio, 

 near Mazatlan: Jordan, Proc. Cal. Acad. Sci., 1895, 473; Rio 

 Presidio: Jordan & Evermann, Bull. 47, U. S. Nat. Mus., 

 1898, 1539: Evermann, Proc. Biol. Soc. Wash., 1898, 2; Rosario, 

 Sinaloa. 



Lowland streams of Sinaloa and Jalisco. 



Head 3; depth 2*^; D. xv, n; A. v, 8; scales 5-29-11. Body 

 oblong, compressed; head small, profile depressed at interorbital 

 area, which is flat or slightly concave, its width 2^ in head; snout 

 rather pointed; lower jaw the longer; mouth moderate, maxillary 

 3 in head; outer series of teeth enlarged, those in front on upper 

 jaw canine-like; preorbital 4 in head; postorbital 2^; lips rather 

 thin, the lower without a frenum; scales on cheeks in about 5 rows; 

 spinous dorsal low, the eighth spine 3^ in head, the last 2^; middle 

 rays of dorsal and anal much produced, their tips reaching nearly 

 to tip of caudal fin; pectorals i^ in head; ventrals with rays pro- 

 duced, their tips reaching base of third anal spine; caudal fin rounded; 

 least depth of caudal peduncle 2^ in head, its length i?4 in its least 

 depth. 



Color light olive, the scales with light margins, giving the fish 

 a spotted appearance; round brownish spots on dorsal, caudal, and 

 anal fins; ventrals dusky, the pectorals pale; a light line obliquely 

 downward and forward to maxillary. Length about 12 inches. 



Through the courtesy of Mr. B. A. Bean, I have been pernrtted 

 to examine 5 specimens of this species, which were taken at Tepic, 

 December, 1902. It is reported to be an excellent food fish. 



198. Cichlasoma steindachneri Jordan & Snyder. 



Cichlasoma steindachneri Jordan & Snyder, Bull. U. S. Fish 

 Comm., 1900, 143, fig. 20; Rio Verde, Rascon, San Luis Potosi: 

 Jordan'& Evermann, Bull. 47, U. S. Nat. Mus., 1900, 3173. 

 Basin of the Rio Panuco. (Forlon; Valles; Rascon.) 

 Head 2^; depth 2%; D. xv or xvi, 10; A. v, 7; scales 6-32-11. 

 Body rather elongate, compressed; profile convex, not steep; head 



