1920.] S. L. HORA : Indian Homalofieridae. 199 



interrupted by 12 radii to the base and the same number to the 

 apex. The following are the measurements of a scale from near 

 the dorsal surface : — 



Length . . . . . . i'5 nim. 



Breadth .. . . • • i"5 mm. 



Distance of base from the middle of 



nucleus . . . . . . 0-65 mm. 



The specimen from which the scale for measurement was 

 taken measures 85 mm. in length, excluding the caudal fin. 



Pharyngeal teelk:— There are about nineteen teeth arranged 

 in a single row. They are slightly curved near their extremities. 

 Those at the top of the bone are longer than the others. 



Air-Madder : — The air-bladder is much reduced and in general 

 appearance resembles that of the Cobitidae. It is completely 

 divided into two lateral portions which send small tubes inwards. 

 These tubes come ver}^ close to each other but do not meet. Each 

 of the lateral portions is enclosed in a bony capsule, which looks 

 like a small bag placed on the under surface of the transverse 

 process of the second vertebra, of which it seems to be a modi- 

 fication. 



Colouration : — The specimens before me have lost their 

 natural colouration, and, moreover, I do not find an}^ detailed 

 description given by Vinciguerra. Under the circumstances I can 

 only refer to Gray's figures, which I think can be relied upon in 

 this respect. 



Geographical Distribution: —li^Sisteni Himalayas (Darjihng); 

 Khasi Hills, Assam ; Eastern Tenasserim. 



The following are the measurements ( in millimetres ) of two 

 complete specimens : — 



Total'length (including caudal) 



Length of caudal 



Greatest depth of body 



Length of head 



Width of head 



Length of snout 



Diameter of eye 



Interorbital width 



Length of caudal peduncle 



Depth of caudal peduncle 



Longest ray of dorsal ... 



Longest ray of anal 



Length of pectoral 



No. of rays in pectoral... 



No. of rays in ventral 



No. of scales along L.L. 



Balitora maculata, Gray and Hardwicke. 

 (Plate XI, fig. I.) 



1832. Balitora maculata, Gray and Hard., ///. Ind. Zoology. I, pi. 



88, figs. 2 and 2a. 

 1868. Homaloptera maculata, Giinther, Cat. Fish. VII, p. 34.0. 



