from the Bay of Bengal. 437 



The dorsal fin commences on the snout ; its rays and those 

 of the anal simple. No scales. Lateral line with a siiavp or 

 faint curve above the pectoral. 



Psettyllis pellucida^ sp. n. 

 D. So. 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 5 in tiie 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. 



Alouth 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. 



Oii' Ganjam coast, 9 to 13 fathoms; bottom sand. Off 

 Vizagapatam coast, 7 to 8 fathoms, bottom sand ; and 20 

 fathoms, bottom mud. 



Psettyllis ocellata, sp. n. 

 D. 80. A. Qb. C. 18. P. 9 ? V. 6. 



Body naked, subcircular, its height being '78 of its length 

 without the caudal. The height of the head is 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 tiie 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. 



