OCT., 1907. FRESH-WATER FISHES MEEK. 149 



with a narrow light border, probably red in life; a few light spots on 

 spinous dorsal, caudal and anal with dark margin, other fins plain. 



This species resembles Cichlasoma balteatum Gill & Bransford; 

 it differs from that species in the less convex profile, larger mouth, 

 more pointed snout, and lower spinous dorsal. The dark band on 

 this species is concurrent with lateral line, on C. balteatum it is straight. 

 There is no trace of a lateral spot. The color of the spinous dorsal 

 fin, and the blue spots on the body are characters not possessed by 

 C. balteatum. 



Turrialba, 600 meters (4), 60 to 93 mm. 



Famil 



Sicydium altum sp. nov. BOQUERDO ROQUERO; RIMORA. 



Type No. 6034, F. M. N. H.; length 101 mm.; Turrialba, Costa 

 Rica. 



Head 4.42; depth 5.08; D. vi - i, 10; A. i, 10; scales 92. Body 

 elongate, subcylindrical ; mouth subinferior, horizontal, maxillary 

 scarcely reaching vertical from middle of eye; lower jaw much the 

 shorter; teeth of upper jaw slender, bicuspid; teeth of lower jaw 

 mostly concealed, the larger anterior ones pointed and slightly 

 curved backwards; eyes small, 4.75 in head; interorbital 3.80; snout 

 2.25 ; origin of anal fin midway between base of caudal and posterior 

 margin of opercle ; occiput with small scales not extending past pos- 

 terior margin of orbits ; pectoral fin broad, shorter than head, its 

 length 1.20 in head; ventral 1.72; dorsal spines not reaching soft 

 dorsal; no naked patch or strip on the abdomen except just behind 

 ventral fins. 



Color dark olivaceous, no spots or bars, ventral region lighter, 

 fins all plain except anal rays, which are tipped with black. 



Turrialba, 600 meters (i), 100 mm.; El Guayabo (2), 95 and 

 105 mm. 



Family Gobiesocidie. 



Qobiesox fulvus sp. nov. 



Type No. 6035, F. M. N. H.; length 80 mm.; Isle de Coco. 



Head 2.61; depth 6.04; D. 9; A. 7. Body broad anteriorly, 



