202 TELEOSTBI. PHYSOSTOMI. 



216. (9.) Glyptosternum cavia. 



Pimelodus cavia, Ham. Buch. Fish Ganges, pp. 188, 378. 

 Glyptosternum cavia, Day, Fish. India, p. 499 (see synon.). 



Kanya tenggara, Hind. 



D. 1/6 [ 0. P. 1/8. V. 6. A. 9 (3/6). C. 17. 



" It is flattened before, conical behind, and all its upper parts 

 are scabrous from elevated spots." " Head very large, a good 

 deal flattened, blunt, and covered above with bony plates, forming 

 various ridges.'' Upper jaw the longer. Barbel? nasal very 

 short, the maxillary as long as the head, the two mandibular pairs 

 shorter. Teeth none 011 the palate. Fins dorsal spine blunt, 

 rough, but not serrated on the anterior surface ; adipose fin small 

 and rough ; pectoral spine serrated on both edges ; lower caudal 

 lobe the longer. Colour " lurid, and the back is variegated with 

 brown dots, collected into cloud-like marks, while the sides have a 

 gloss like silver, changing into the hue of copper. The abdomen 

 is of a dirty livid appearance. Across the tail are two transverse 

 bars, and on the tail-fin a third, all of which have fewer clots than 

 the adjacent parts. The eyes are white." 



Hab. Rivers of Northern Bengal, where this fish attains about 

 6 inches in length. 



29. Genus EUGLYPTOSTERNUM, Bleeker. 



Syn. Aclyptostenon, Bleeker. 



Dorsal profile nearly horizontal; head covered with soft skin. 

 Gill-openings rather wide ; the gill-membranes confluent with the 

 skin of the isthmus, but with a free posterior margin. Mouth 

 transverse, upper jaw the longer. Eyes small, subcutaneous. 

 Nostrils close together, separated by a barbel. Barbels eight. 

 Teeth villiform in the jaws and on the palate. Dorsal fin with a 

 spine and six rays ; an adipose dorsal present. Pectorals hori- 

 zontal, with an adhesive apparatus on the chest formed by 

 longitudinal plaits of skin. Anal short (11 to 13 rays), not 

 continuous with the caudal, which is forked. Ventrals situated 

 behind the dorsal, and consisting of six rays. Air-bladder in two 

 lateral portions, enclosed in bone. 



Geoyrapliiccd Distribution, lliver Coic near Aleppo, Upper 

 Assam, and the Jumna river. 



217. (1.) Euglyptosternum lineatum. (Fig. 73.) 



Euglyptosternum lineatum, Day, Fish. India, p. 600, pi. cxvi, fig. 7. 



D. 1/6 | 0. P. 1/10. V. 6. A. 12-13 (3/9-10). C. 17. 



Length of head 4, of caudal 5| to 6, height of body 6 to 7 in 



the total length. Eyes small, situated about 2 diameters behind 



or else in the middle of the length of the head, the width of the 



interorbital space one fourth of the length of the head. Head 



