Jordan and Evennann. Fishes of North America. 1529 



below black baud sanguineous in mature examples. Length 4| inches. 

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



Ileros salvini, GUNTHER, Cat. Fishes, iv, 294, 1862, Rio de Santa Isabel, Guatemala 

 (Coll. Godmaii & Salvin) ; GUNTHER, Fish. Centr. Am., 460, pi. 73, fig. 3, 1869. 



Ileros triayramma, STEINDACHNEB, Denkschr. Akad. Wiss. Wien, xxm, 1864, 70, taf. 3, 

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



192G. HE RON AFFIXIS, Giiuther. 



I h'jid 2; 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; preorbital 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 

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

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

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

 on cheek in 4 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 suboperculuni; sides of head and vertical fins with 

 bluish dark-edged ocelli. Length 5 inches. Lake Peten. (Giinther.) 

 (affiniSy related to Heros aureus.) 



Ileros a/mis, GUNTHER, Cat. Fish., iv, 292, 1862, Lake Peten (Coll. Godinan & Salvin) ; 

 GUNTHER, Fish. Centr. Ani., 455, pi. 79, fig. 1, 1869. 



1927. HEROS MACUL1PIXXIS, Steindachner. 



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

 short and deep, back considerably 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 3 in head, as 

 broad as the preorbital ; 4 or 5 rows of scales on cheek. Pectoral about 

 as long as head, reaching third anal spine; ventrals slightly longer, 

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

 base. Color brownish, with 5 brownish vertical bands 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 4 inches. Rio 

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

 fin.) 



Ileros maeulipinnis, STEINDACHNER, Chromiden Mejicos, 15, 1864, Rio Zanapa, Mexico. 



1928. HEROS TRIMACULATUS, Giinther. 



Head 2f ; 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 inouth very oblique ; lower jaw prominent; maxillary extending nearly 



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



3030 19 



