DESCRIPTION OF THREE NEW SPECIES OF FISHES FROM 

 MIDDLE AMERICA. 



BY SETH EUGENE MEEK. 



In a collection of fishes recently made by me in Guatemala, I 

 find several specimens of Cichlasoma trimaculatum (Gthr.). Com- 

 paring these with the specimens from Achotal, Mexico, which I 

 listed as belonging to this species, I find the latter to be a different 

 species and one undescribed. In the following paper it and two 

 new species of fishes from Guatemala are described. 



Family Siluridee. 



Rhamdia cabrerae sp. nov. 



Type No. 5500, Amatitlan, Guatemala. Total length, 136 mm. 



Head, 4.61; depth, 5.30; D. i, 7; A. u. Body elongate, robust, 

 compressed posteriorly ; head somewhat depressed ; narrowed forward ; 

 upper jaw the longer; maxillary barbels reaching to or slightly past 

 base of pectorals; outer mandibidular barbels barely reaching gill 

 openings; eye small, 5 in head, slightly before middle of the head; 

 snout 2.70 in head; interorbital 2.75; head covered with soft skin; 

 fontanelle extending to base of occipital process ; the bridge at posterior 

 margin of orbits; occipital process very short; humeral process small, 

 not reaching beyond third of pectoral spine ; pectoral spine strong not 

 pungent, its inner margin serrate, its length 2.40 in head; dorsal 

 spine weak; height of dorsal fin 1.40 in head, its length 1.95 ; last dorsal 

 ray slightly in advance of base of ventrals; base of pectoral to base 

 of ventral 3.60 in body; snout to base of dorsal 3.20 in body; adipose 

 fin 3.50 in body; base of anal 1.50 in head; caudal fin short, the lower 

 lobe the larger; least depth of caudal peduncle 1.60 in head. 



Color, dark brownish, ventral region silvery, no lateral band, fins 

 dark, no distinct band on middle of dorsal. 



This fish apparently does not grow large. The largest seen by me 

 was 1 60 mm. in length. Collected by S. E. Meek. 



Named for Sefior Don Manuel Estrada Cabrera, President of the 

 Republic of Guatemala, whose interest in the study of the fishes 

 of Lake Amatitlan led to its discovery. 



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