180 Annals of the Carnegie Museum. 



6. Pseudobagrus taiwanensis sp. nov. (Plate XLVIII, Fig. i). 



Head 3.875 in lengtli; depth 7.14; D. I, 7; A. 15; P. I, 7; V. 6; width 

 of head 1.4 in its length; snout 2.75 in head; interorbital space 3; eye 

 8; pectoral 1.55; ventral 2.1 1. 



Body elongate, depth rather uniform, tail compressed; head broad, 

 depressed; snout flattened, bluntly rounded anteriorly; upper jaw 

 projecting beyond the lower; mouth inferior, transverse, crescent- 

 shaped; lips moderately thick, fleshy, lower lip distinct at the angle 

 of the mouth only; jaws with broad bands of villiform teeth; palate 

 with a transverse, crescent-shaped band of villiform teeth; 8 barbels, 

 four on the snout, the other four on the mentum, maxillaries the longest, 

 reaching tip of operculum; nasal barbel as long as median mental; 

 eyes small, laterally superior, covered with thin skin; nostrils separated, 

 the anterior tubular, in contact with posterior margin of the upper lip; 

 posterior nostrils just behind the root of nasal barbel; interorbital 

 space broad, middle part depressed longitudinally; gill-openings 

 large, extending backwards to the base of pectoral; gill-membranes 

 entirely separated; gill-rakers 3 + 10, proximal ones on the lower arm 

 minute. 



Origin of the dorsal in advance of the tip of pectoral, with a sharp 

 spine; adipose dorsal very short and low, originating behind the base 

 of anal, much shorter than the latter, and ending in front of the tip of 

 the anal; pectoral fin rather elongate, armed with a sharp spine, its 

 inner edge strongly denticulated; ventral fin scarcely reaching the 

 base of anal, overlapping anus and the well-developed anal papilla; 

 anal fin rather short; caudal fin slightly emarginate, the tip of each 

 lobe rounded; caudal peduncle elongate, deeper posteriorly, its depth 

 about twice in the length of head. 



Body smooth; lateral line continuous, nearly straight, extending 

 along the middle of the sides. 



Color in formalin uniformly dark brown, belly and lower part of 

 head whitish. 



Total length 152 mm. 



Described from a specimen from Tozen River near Taiclui, collected 

 by T. Aoki in December, 1916. 



Habitat: Tozen River; Taito River; Shinchiku. 



Reniarhs: The nearest relative of the present'species is Pseudobagrus 

 brevianalis Regan. These two species differ as follows: 



