1912. ] B. L. CHaupuuri: Descriptions of New Fishes. 443 
and four specimens from the river Tista near Jalpaiguri collected 
by Dr. Annandale and Mr. 5S. W. Kemp. 
Nemachilus manipurensis, sp. nov. 
(Pl. xl, figs. 4, 4a, 4b; and Pl. xli, figs. 1, 1a, 1b.) 
Depth of body 53 times, length of head 4} times in the 
length. Snout shorter than the post-orbital part of head, nearly 
2} times as long as eye; diameter of latter contained 6 times in 
the length of head and 2} times in the inter-orbital width. Breadth 
of head 13 times its length, and depth of head 11 times its 
breadth. Lip—a fleshy band interrupted in lower median line. 
Barbels six, outer rostral 3! times and maxillary 3 times the 
diameter of eye. Dorsal I 7; its anterior origin being nearly 
equidistant from base of nostril and root of caudal, free edge of 
fin convex. Anal I 5. Pectorai extending 2 distance from its 
base to the base of ventral. Ventral 8, extending nearly 
distance from its base to the root of anal. Caudal slightly 
notched in the middle making the outer margin look bilobed. 
Caudal peduncle rather broad, nearly 1; times as long as deep and 
contained 1} times in the length of head. Scales minute all 
over the body, lateral line incomplete; the openings of a series 
of muciferous glands beginning from the end of the snout, 
continue below the eye and become continuous with those of the 
lateral iine. 
Colour.—Uniform steel grey on the upper two-thirds, below 
yellowish white; ventral and anal fins and lower part of pectoral 
yellow. Dorsal and caudal fins banded with 4 or 5 transverse 
wavy bands made up of minute black spots. Upper side of 
pectoral greyish yellow. 
In the males there is a secondary sexual character in the 
form of a round flat cartiligenous flap in front of the eye, some- 
what similar to the structure found in Nemachilus mackenziei, 
Chaudhuri (Rec. Ind. Mus., V, 183), pl. xli, fig. 2. 
Three specimens, two males and one female, from Manipur, 
Assam, measuring from 50 to 82 mm. 
Fam, SILURIDAE 
Olyra kempi, sp. nov. 
(Pl. xli, figs. 4, 4a, 40.) 
Depth of body 9 to Io times, length of head 5 to 6 times 
in the length. Head very much depressed and snout spathulate; 
eyes subcutaneous, diameter of eye 4: to 5 times in the length of 
head, 1; to 2 in the length of snout and 2 in the inter-orbital space. 
Barbels eight, the maxillary reaching almost to the end of pectoral, 
outer mandibular half of maxillary; nasal and inner mandibular 
about half the length of head. Upper jaw slightly longer. Dorsal 
7; first ray short, rest slender but high. Adipose dorsal long and 
