FAMILY XXI. CICHLID^E. 215 



Color dark olivaceous, sides with 6 dark vertical bars, each 

 wider than the interspaces, the first bar across opercle, the second 

 one begins at base of fourth anal spine; no lateral band, or a very 

 indistinct one ; no definite blotches on sides ; a small black caudal spot 

 just above lateral line; vertical fins with some small black spots, or 

 none on darker specimens; fins all dusky; no bars on profile; many 

 scales have dark centers. Length about 8 inches. Several specimens 

 taken at Tehuantepec. 



Named for Dr. Barton W. Evermann, in recognition of his services 

 to American Ichthyology. 



202. Cichlasoma heterodontum (Vaillant & Pellegrin). 



Heros heterodontus Vaillant & Pellegrin, Bull. Mus. Nat. Hist. 

 Paris, 1902, 85; Isthmus of Tehuantepec. 



Isthmus of Tehuantepec. 



Head 3-^; depth 2; D. xiv-xv, 12; A. v, 9; scales 6-28-14. Body 

 deep; jaws subequal; lower lip with a frenum; the teeth in outer series 

 dissimilar, few cylindro-conical, the others simply cylindrical, with 

 worn tips, being intermediate between this genus and Neetroplus; 

 eye 3X m the head, i% in interorbital space, 1^2 to 1^5 in the length 

 of the snout; cheeks with 5 rows of scales; dorsal spines gradually 

 increase to the fifth ; the last anal spine is as long and stronger than 

 the last dorsal spine; caudal fin rounded; base of soft parts of un- 

 paired fins scaly; pectoral more than ^ length of the head. 



Color brownish, with traces of 6 dark transverse bands and a dark 

 caudal spot; the fins dark with some darker punctulations. Length 

 about 5 inches (Vaillant & Pellegrin). 



203. Cichlasoma cyanoguttatum (Baird & Girard). 



Herichthys cyanoguttatus Baird & Girard, Proc. Acad. Nat. Sci. 



Phila., 1854, 25; Rio Grande, Brownsville, Texas: Girard, Mex. 



Bd. Sur., 30, pi. iv, figs. 9-12, 1859; Laguna, Ft. Brown, Texas; 



Matamoras, Mexico; Rio San Juan, near Cadereita and Cader- 



eita, Nuevo Leon. 

 Heros cyanoguttatus Jordan & Evermann, Bull. 47, U. S. Nat. Mus. 



1896, 1537: Jordan & Snyder, Bull. U. S. Fish Comm., 1900, 



144; lagoons at Tampico. 

 Heros temporatus Fowler, Proc. Acad. Nat. Sci. Phila., 1903, 321; 



Victoria, Tamaulipas. 



Atlantic coast rivers from Texas to the Rio Panuco and Tabasco. 

 (Monterey ; Montemorelos ; San Juan ; Linares ; La Cruz ; Garza Valdez ; 

 Santa Engracia; Victoria; Forlon; Rascon.) 



Head 3; depth 2^; D. xvi, 10 or n ; A. v, 8 or 9; scales 7-3312. 



