177 



from the end of snout, and 2 apart. Snout rather obtuse, and the 

 upper jaw the longer ; the width of the gape of the mouth equal 

 to one half the length of the head. The greatest width of the 

 head equal to its length excluding the snout, and slightly exceeding 

 its height. Upper surface of the head with scattered granulations, 

 which are more numerous on the occipital process. Median longi- 

 tudinal groove on the head shallow except in its posterior portion, 

 which is narrow and deep as far as the base of the occipital process, 

 this is keeled and as broad at its base as it is long. Basal bone 

 V-shaped, and laterally narrow. Barbels the maxillary extend to 

 the base of the pectoral fin, the outer mandibular are shorter. 

 Teeth villiform on the palate, in two triangular patches, the 

 points of which are directed backwards, the patches are about as 

 large as the eye, as broad as long, and approximate somewhat 

 anteriorly. Fins the dorsal as high as the body, its spine rather 

 strong and as long as the head behind the angle of the mouth ; an- 

 teriorly the spine is serrated in its upper, granulated in its lower 

 half, posteriorly it is serrated ; base of adipose dorsal equal to half 

 that of the rayed fin. Pectoral spine as long as that of the dorsal, 

 granulated and serrated externally, denticulated internally. The 

 ventral reaches the anal ; upper caudal lobe the longer. Colour 

 bluish. 



Hob. From Burma to the Malay Archipelago. 



185. (7.) Arius parvipinnis. 



Arius parvipinnis, Day, Fish. India, p. 460, pi. cxiii, fig. 1 (see 

 synon.). 



Chintajella, Tel. 

 B. vi. D. 1/7 | 0. P. 1/10. V. 6. A. 19 (5/14). C. 18. 



Length of head 4|, of caudal fin 4|, height of body 6 in the total 

 length. Eyes in anterior half of the head, diameter 5| in the 

 length of the head, If diameters from the end of snout, and 3 

 apart. Greatest width of the head equal to its length behind the 

 nostrils, and exceeding its height by one fourth. Upper jaw 

 somewhat the longer ; the width of the gape of the mouth equal to 

 that of the postorbital length of the head. Upper surface of the 

 head and occipital process studded with coarse granulations. 

 Median longitudinal groove on head well marked, lanceolate, its 

 last portion deep and not extending so far as the base of the 

 occipital process, which has a granulated keel along its centre, is 

 as long as wide, arid reaches a narrow crescentic basal bone. 

 Barbels the maxillary reach the end of the pectoral fin. Teeth 

 villiform in two pear-shaped crescentic patches placed well for- 

 wards, diverging, and their small end anterior. Fin* dorsal 

 spine strong, laterally roughened, serrated anteriorly in its upper 

 half, also posteriorly, as long as the head behind the angle of the 

 mouth. Pectoral spine stronger than the dorsal, of the same length, 

 and serrated on both edges, it reaches two thirds of the distance to 



