SICYOPTERUS 309 



depressed, 1.37 to 1.47 times in head; the anal similar in shape 

 but the anterior rays higher or the fin may be of uniform height, 

 the posterior rays not reaching caudal when depressed, 1.7 to 

 1.75 times in head ; the depth of the large caudal peduncle about 

 $ the length of head and more than its own length, which is 

 0.75 to 0.8 per cent of the depth; the broad rounded caudal 

 is 3.5 to 4 times in length and exceeds head; the pectoral very 

 broad, rounded to somewhat triangular, pointed, equal to head ; 

 the ventrals wider than long, 1.7 to 1.95 times in head and 2.3 

 to 2.8 times in the distance to the very short, thick anal papilla. 



The color in alcohol uniform dull brownish gray, paler on 

 sides and posteriorly, whitish beneath, darker and brownish 

 plum color on snout and cheeks ; the first dorsal clear, the spines 

 brownish gray; the second dorsal crossbanded by four or five 

 diagonal rows of dull brown bars on lower three-fourths of 

 spines only, the membranes colorless, the fin with a broad, red- 

 dish brown margin; the anal dull gray wfth a broad violet 

 blackish margin ; the caudal yellowish gray with a broad violet 

 blackish posterior margin; the pectorals are gray, but seem to 

 have been yellowish with a pale violet margin; the ventrals 

 whitish. 



Here described from five specimens, 97 to 128 millimeters in 

 length, collected by Taylor in Craan River, on the southern 

 coast of Cotabato Province. 



Crassus, fat or burly. 



158. SICYOPTERUS FULIAG sp. nov. 



Ibanag name, fuliag. 



Dorsal VI, 1-10 ; anal I, 9 or 10 ; there are 70 scales in a longi- 

 tudinal series, 20 to 22 in a transverse series, and 36 to 40 

 before first dorsal. 



The low, rounded body laterally compressed on posterior 

 fourth, the depth 5.3 to 5.8 times in length ; the broad head and 

 nape slightly convex, the snout depressed, the underside flat 

 as far back as and including ventrals, 4.2 to 4.37 times in length ; 

 the breadth of head 0.25 to 0.5 more than its depth and 70 to 

 85 per cent of its own length; the snout depressed, nearly ver- 

 tical in front, very broad, gently rounded, 2.2 to 2.3 times in 

 head ; the small eyes lateral but very high up, their gaze upward 

 as well as sideways, 3 to 3| times in snout and 6f to 8 times 

 in head; the broad flat interorbital space a little less than 

 snout, 2.4 to 2.5 times in head, and 2.7 to 3.3 times eye; the 



