March, 1913. Fishes from Panama — Meek and Hildebrand. 89 



subequal, upper jaw with 2 anterior canines and 2 others slightly smaller 

 on each side; lower jaw with canine on each side, between which the 

 upper canines bite; lips well developed, the margin of the lower one 

 free; mouth large, terminal, the posterior end of maxillary exposed, 

 extending slightly past anterior margin of orbit, its length 2.3 to 2.6 

 in head; eye 3.8 to 4.4; snout 2.7 to 3.0; preorbital 5.1 to 7.0; postorbital 

 2.4 to 2.6; dorsal fin rather low, its last spine 2.5 to 3.0 in head; last 

 anal spine 2.7 to 2.9; base of anal fin 3.9 to 4.1 in length of body; ventral 

 fins reaching slightly past origin of anal; pectoral 3,7 to 3.9 in body; 

 ventral 3.3 to 3.7; caudal peduncle 2.6 to 2.7 in head; caudal fin rounded; 

 3 rows of scales between origin of soft dorsal and lateral line ; gill- 

 rakers very short, 3 + 8. 



Color dark olivaceous, wdthout conspicuous dark bars (except in 

 young up to about 50 mm.) ; a black lateral band from eye to base of 

 caudal, on posterior part of body this band above lateral line ending 

 in a dark caudal spot; vertical fins with small light spots. 



Tuyra River basin. 



V Cichlasoma tuyrense sp. nov. 



Type No. 7599, F. M. N. H.; length 220 mm.; Rio Tuyra, Boca de 

 Cupe, Panama. 



Head 2.8 to 3.2; depth 1.9 to 2.1; D. XVI or XVII, 11 or 12; A. VI, 

 7 or 8; scales 38. 



Body deep, compressed, upper part of profile convex, slightly concave 

 above orbit; lower margin of upper lip below orbit and above base of 

 the pectoral; jaws subequal, none of the teeth enlarged, all pointed; 

 lips normal, the lower with a frenum; mouth small, terminal, maxillary 

 not reaching orbit, its length 3.6 to 3.9 in head; eye 3.3 to 4.0; snout 2.8 

 to 3.0; preorbital 4.1 to 4.5; postorbital 2.3 to 2.4; dorsal fin rather 

 high, its last spine 1.9 to 2.2 in head; last anal spine 1.8 to 1.9; 

 base of anal 3.5 to 3.7 in body; pectoral reaches front of anal, 3.1 to 

 3.4 in head; ventrals reaching slightly beyond front of anal, 2.7 to 

 3.4 in body; caudal peduncle 2.1 to 2.4 in head; caudal fin rounded; 

 5 rows of scales between anterior part of soft dorsal and lateral line; 

 gill-rakers very short, 2 -j- 8 on first gill arch; basal portion of soft dorsal 

 and anal with scales. 



Color olivaceous, sides with seven distinct dark cross bars, the 

 middle portion of each bar a black blotch; a small dark spot at base 

 of caudal; sides with dark dots forming lines along the rows of scales, 

 these becoming larger and more distinct in the larger specimens. 



Bayano and Tuyra river basins. 



