194 TELE08TEI. PHYSOSTOMI. 



iu size ; they are placed iu the middle of the grooves at about an 

 equal distance from the common integuments (immediately behind 

 the pectoral fins) and the vertebral column : the space between each 

 of them and the former being filled up with adipose substance, 

 whilst that next to the spine is occupied by the malleus." 



Geographical Distribution. Throughout the course of the larger 

 rivers of the Punjab, India, and Burma, and extending to the 

 Malay Archipelago. 



207. (1.) Bagarius yarrellii. (Fig. 71.) 



Pimelodus bagarius, Ham. Such. Fish. Ganges, pp. 186, 378, pi. 7, 



fig. 02. 



Bagrus yarrellii, Sykes, Tr. Z. S. ii, p. 370, pi. 65, fig. 1. 

 Bagarius yarrellii, Day, Fish. Indict, p. 4!5, pi. cxv, tig. 3 (see 



synon.). 



Boonch or Goonch, Hind. (N. W. P.); Goreufi, Assam: Rahti jcllah 

 Tel. ; Sfih-lun, Ooriah ; Mutmula and T/iarof.ti, Mavathi. 



w 



Fig. 71. JJayarius yarrellii. 



13. xii. D. 1/6 | 0. P. 1/12. V. 6. A. 13-15 (3/10-12). C. 17. 



Length of head 3f , of caudal fin 4|, height of body 5 in the total 

 length excluding the prolonged caudal ray. Eyes small, situated 

 in the middle of the length of the head. The greatest width of 

 the head equals from two thirds of its length in the young to its 

 entire length in the adult, its upper surface is rugose in irregular 

 bands and lines. Upper jaw the longer, the extent of the gape 

 of the mouth equal to four sevenths of the length of the head. 

 Barbels the maxillary with broad bases and rather longer than the 

 head ; the nasal pair short. Teeth sharp, and of unequal size in 

 the jaws, an outer widely separated row of larger ones in the man- 

 dibles. Fins dorsal spine smooth, with an elongated soft termi- 

 nation, the osseous portion as long as the head excluding the 

 snout ; length of the base of the adipose dorsal as long as that of 

 the rayed fin. Pectoral spine stronger than that of the dorsal and 

 equally long, serrated internally, and having a soft prolongation. 

 Caudal deeply forked, its upper lobe prolonged. Skin somewhat 

 scabrous over the summit of the head, and slightly so on the body. 

 Colour body grey or yellowish, with large, irregular, brown or 

 black markings and cross bands. A black base to all the fins, and 

 generally also a dark band across each. 



Hob. Large rivers of India and Java, descending to the estuaries. 



, 



