Jordan and Evennann.— Fishes of North America. 1529 



below hlack band sanguineous in mature examples. Length 41 inches. 

 Guatemala. (Gunther.) (Named for Osbert Salvin, its discoverer.) 



Heros salvini, Gunthek, Cat. Fishes, iv, 294, 1862, Rio de Santa Isabel, Guatemala 

 (Coll. Godman & Salvin) ; Guntheb, Pish. Centr. Am., 460, pi. 73, flg. 3, 1869. 



Heros triagramma, Steindachner, Denkschr. Akad. Wiss. Wieu, xxiii, 1864, 70, taf. 3, 

 fig. 2, Central America. (Coll. Friedrichstal.) 



1920. HEROS AFFIXIS, Giinthor. 



Head 2f ; depth 2.^. D. XVI, 8 or 9 ; A. VIII or IX, 8 or 7 ; scales .5-29-12. 

 Head as high as long; snout compressed, elevated, with cleft of mouth 

 oblique and with lower jaw prominent; jireorbital wider than orbit (in 

 the larger individuals) ; eye considerably nearer extremity of operculum 

 than to that of snout. Dorsal and anal fins entirely scaleless; dorsal 

 spines rather strong and long, length of twelfth f that of head; anal 

 spiues very strong; free portion of tail a little higher than long. Caudal 

 slightly emarginate, f total length; distance between vent and root of 

 ventral ^ length of head. Fold of lower lij) continuous in middle. Scales 

 on cheek in 1 series. Olive, with 5 or 6 dark cross bands, the middle one of 

 which has a deep-black spot where it passes lateral line; a more or less 

 distinct black spot on suboperculum; sides of head and vertical fins with 

 bluish dark-edged ocelli. Length 54 inches. Lake Peteu. (Giinther.) 

 {affinis, related — to Heros aureus.) 



Heros affinis, Gunther, Cat. Fish., iv, 292, 1862, Lake Peten (Coll. Godman & Salvin) ; 

 GiJNTHEE, Fish. Centr. Am., 455, pi. 79, fig. 1, 1860. 



1927. HEROS MAt'ULIPIXXIS, Steindachner. 



Head 3; depth 2. D. XVI, 11 or 12; A. VIII, 8; scales 4-30-14. Body 

 short and deep, back consideralily arched, the ventral outline also arched; 

 profile depressed before eye; mouth low and rather small, the maxillary 

 scarcely longer than eye; teeth somewhat close-set; eye 3i in head, as 

 broad as the j)reorbital; 4 or 5 rows of scales on cheek. Pectoral about 

 as long as head, reaching third anal spine; ventrals slightlj^ longer, 

 reaching fifth spine; soft dorsal, anal and caudal rounded, not scaly at 

 base. Color brownish, with 5 brownish vertical liands not sharply de- 

 fined, the third band with a large black spot at the point where it crosses 

 a vague dusky stripe from upper edge of gill opening to base of caudal; 

 sides of head usually with blue spots; soft dorsal and anal blue, with 

 many spots of bright yellow; caudal mottled. Length 44 inches. Rio 

 Zanapa, near Vera Cruz, Mexico. (Steindachner.) {macula, spot; iiinna, 

 fin.) 

 Heros mamlipinnis, Steindachner, Chromiden Mejicos, 15, 1864, Rio Zanapa, Mexico. 



1928. HEROS TRIMACULATUS, Gunther. 



Head 2| ; depth 2. D. XVII, 11 ; A. VI to VIII, 9 ; scales 5-31-14. Head 



nearly as high as long; snout rather pointed, much longer than eye; cleft 



of mouth very oblique; lower jaw prominent; maxillary extending nearly 



to vertical from front margin of orbit; preorbital as wide as orbit, with 



3030 19 



