437 
from the Bay of Bengal . 
The dorsal fin commences on the snout ; its rays and those 
of the anal simple. No scales. Lateral line with a sharp or 
faint curve above the pectoral. 
Psettyllis pellucida, sp. n. 
D. 85. A. 65. C. 17. P. 5. V. 6. 
Body naked, subcircular, its height being *96 of its length 
without the caudal. The height of the head is more than 
twice its length, which is about 4§ in the same standard. 
Profile of the snout almost merged in the anterior profile of 
the body. Eyes small, situated on the left side of the head 
close to its anterior profile, the lower slightly in advance of 
the upper ; interorbital space concave ; its width is a little 
more than twice the major diameter of the eye. 
Mouth minute, symmetrical; teeth minute, in both sides of 
the jaws. 
Gill-membranes broadly united below. Lateral line with 
a slight open curve above the pectoral. 
All the fins delicate ; the vertical fins low ; the paired fins 
small and nearly equally developed on both sides. Caudal 
as long as the head. The dorsal begins almost on the hori- 
zontal through the upper limit of the lower eye. 
Quite transparent in life ; iris black ; on the left side a few 
variable black blotches on the body and numerous black 
blotches on the fins. 
Length 1*58 inches. 
Off Ganjam coast, 9 to 13 fathoms; bottom sand. Off 
Yizagapatam coast, 7 to 8 fathoms, bottom sand ; and 20 
fathoms, bottom mud. 
Psettyllis ocellata , sp. n. 
D. 85. A. 65. C. 18. P. 9 ? Y. 6. 
Body naked, subcircular, its height being *78 of its length 
without the caudal. The height of the head ig not quite 
twice its length, which is about one fourth of the same. 
Profile of the snout merged in that of the head. Eyes 
small, on the left side of the head, close to its anterior profile, 
the lower slightly in advance of the upper ; interorbital space 
concave ; its width is barely twice the major diameter of the 
eye. 
Mouth symmetrical, small, the length of the maxilla being 
4§ in that of the head ; teeth minute, in both sides of the jaws. 
