1869.] SURGEON F. DAY ON INDIAN FISHES. 549 
mandibular pairs. Dorsal fin in the posterior third of the body, but 
anterior to the anal. Ventral fins absent. 
Areva rusca, Blyth, J. A. S. of Bengal, 1860, p. 169. 
Bei DY 2/Ge Ps ibe AK 2/6._-C. 163 
Length of head 3, of pectoral =, of caudal + of the total length. 
Height of body 3 of the total length. 
Eyes small, } of length of head, 4 diameters from end of snout. 
Body strongly compressed. 
A small, erectile, bifid spine below the orbit. Eight barbels—two 
rostral, two maxillary, and four mandibular. Anterior nostril long 
and tubular. 
Fins. Dorsal commences in the posterior third of the total length ; 
it is half as high as the body. Anal arises behind the vertical from 
the posterior extremity of the dorsal. Caudal rounded. 
Colours. Brownish, with a darker longitudinal line. 
Three specimens, to 23 inches long. Pegu (Major Berdmore). 
PROSTHEACANTHUS SPECTABILIS, Blyth, 
is, as suggested by Dr. Giinther, identical with Acanthopsis choiror- 
rhynchus, Bleeker. 
Boria NeEBuLosa, Blyth, J. A. S. of Bengal, 1860, p. 165. 
Bony, Desh Picks. cy... ~Asa/a. *Oc Tt. 
Length of head 4, of pectoral =2,, of caudal 1 of the total length. 
Height of head 2;, of body + of the total length. 
Lyes. Diameter 1 of length of head, 2 diameters from the end of 
the snout, 2 diameters apart. 
Profile of back slightly elevated. 
A bifid, erectile (damaged) suborbital spine. 
The two pairs of rostral barbels extend as far as to the anterior 
margin of the orbit, the maxillary ones are slightly longer. Lips 
thick and glandular; on either side of the symphysis of the lower 
jaw is a slight elevation studded with pores. . 
Fins. Dorsal commences midway between the snout and posterior 
margin of the anal fin. Ventral commences under the sixth dorsal 
ray. Caudal slightly rounded. 
Scales small, thirteen rows between the lateral line and the base of 
the ventral fin. 
Lateral line straight. 
Colours. Brownish, with a leaden band along the side. Dorsal 
and caudal barred in spots. An ocellus at the upper margin of the 
base of the caudal fin. 
One specimen, 43 inches long, from Darjeeling, is in the collec- 
tion ; it was sent by Dr. Wallich. 
Boris BERDMOREI. 
Syncrossus berdmorei, Blyth, J. A. S. of Bengal, 1860, p. 166, 
Bimn! DiZ/Se Pease Ves! Ax 2/5. Cx20; 
