294 CHROMIDES. 



14. Heros efasciatus. 

 Heckel, Brasil. Flms-Fisch4!, p. 372. 



D. if. A.^. L. lat. 30. 



The fold of the lower lip contimious in the middle ; scales on the 

 cheek in six series. Brownish-yellow, each scale darker at the base; 

 dorsal and caudal fins with series of dots. {HecJc.) 



Rio Negro. 



Perhaps only another variety of H. spurius. 



15. Heros friedriclisthalii. 

 Heckel, Brasil, Flitss-Fische, p. 381. 



D. ^. K.^. L. lat. 31. L. transv. 4/12. 



The fold of the lower hp continuous in the middle ; scales on the 

 cheek in seven series. Yellowish-olive, with six or seven blackish 

 cross-bands; a black band from the eye to the upper part of the root 

 of the caudal, interrupted by the interspaces between the cross-bands ; 

 the origin and end of this band are edged with yellow ; suboperculiun 

 with a black ocellus ; an oblique black streak from the eye towards 

 the ocellus. 



Central America. 



a-h. Fine specimens. Lake Peten (Guatemala). From the Collec- 

 tion of Messrs. Godman and Salvin. 



16. Heros salvini. 



D. i^. A. ^. L. lat. 29. L. transv. 5/10. 



Fold of the lower lip continuoiis in the middle ; scales of the cheek 

 in five series. Base of the soft dorsal scaly. 

 Guatemala. 



a-c. Fine specimens. River de Santa Isabel. From the Collection 



of Messrs. Godman and Salvin. 

 cl-e. Fine specimens. Lake Peten. From the Collection of Messrs. 



Godman and Salvin. 



Description. — This species is closely allied to H. frieclnclisihalii, 

 but appears to have larger and fewer scales on the cheek. It has a 

 peculiar physiognomy, like that species, in consequence of the con- 

 cave upper profile of the snout, which is turned upwards. The height 

 of the body is contained twice and a foiu-th in the total length (with- 

 out caudal), and the length of the head twice and three-foiu-ths. 

 Head somewhat longer than high ; snout of moderate extent, longer 

 than the eye, pointed, with the cleft of the mouth very oblique, and 

 with the lower jaw projecting ; the maxillary docs not quite extend 

 to the vertical from the anterior margin of the orbit. Prseorbital 

 narrower than the orbit. The widtli of the orbit is one-fourth of 

 the length of the head, and equal to that of the interorbital space. 



