I9I3-] B. L. Chaudhuri : Fish. 251 



his "Fishes of India" and in the "Fauna of British India" to 

 the position of a variety of Barbus chagunio (H. B.), which itself 

 remained undetermined. As the specimen secured by Mr. Kemp 

 happens to be an excellent example and as McClelland 's descrip- 

 tion and figure were both imperfect and meagre, the present 

 opportunity is taken to supply a short description and a figure of 

 the species. 



Barbus tor (H. B.). 



An unripe female, 1245 mm. in length without caudal fin and 

 weighing 52 tfe, was caught by Major Wilson on 15th January, 1912, 

 at Yembung. This was the largest mahseer obtained on the expedi- 

 tion. 



Barbus ticto (H. B.). 

 Dibrugarh. 

 The specimens have a reddish tinge on the abdomen, 



Nuria danrica (H. B.). 



Dibrugarh. 



The end ra5's (external) both of the pectoral and ventral 

 fins are considerably elongated beyond the fin-membranes. 



Rasbora rasbora (H. B.) var. kobonensis, nov. 



(PI. viii, figs. 2, 2a, 2b.) 



The depth of the body is contained three and three-quarter 

 times in the total length, the length of the head three and a 

 half times. The head is a little less than twice as long as broad, 

 and the upper profile is slightly convex; the snout is three-fourths 

 as long as the diameter of the e3"e, which is contained three times 

 in the length of the head. The interorbital length is contained 

 two and one fifth times in the length of the head. The mouth 

 extends to below the anterior border of the eye; the lower jaw is 

 prominent. The prominences on the jaws are well marked. 

 Dorsal II 7, originating midway between the root of the caudal 

 and the anterior border of the eye, the longest ray is nearly as 

 long as the head. There are thirteen scales in front of the dorsal 

 fin. Anal II 5, the longest ray being two- thirds the length of the 

 head. The pectoral is pointed, shorter than the length of the head 

 and also than the interval between the roots of the pectoral 

 and ventral. The caudal is deeply forked and the caudal peduncle 

 is one and one-third times as long as deep. The scales have 

 numerous radiating striae, the lateral line is concave to the dorsal 

 profile and is incomplete. Nineteen out of the thirty scales in 

 the line are perforated, the series of perforated scales stopping 

 just in front of the anal fin. There are | scales in a lateral 

 transverse row and two between the lateral line and the ventral 

 fin ; round the peduncle there are fourteen. 



