Indian Deep-sea Dredging. 443 



In the Bay of Bengal four species of Ophioglypha were 

 taken in 561 to 1803 fathoms, two species of Ophiomusium 

 in 1748 to 1997 fathoms, a species of Ophiomastus in 1997 

 fathoms, and two species of Opliiacantha in 1644 to 1803 

 fathoms. 



In the Laccadive Sea brittle-stars were seldom seen ; two 

 good specimens of the same beautiful purple and scarlet 

 Ophiernus as that recorded from the Andaman Sea were 

 taken in 1043 fathoms, and a single small specimen of a 

 species oi Amphiara in 1091 fathoms. 



Class CEINOIDEA. 



On muddy bottoms in the Andaman Sea some small and 

 rather damaged specimens of two species of Comatulte were 

 trawled. These were EudiocrinuSj from 922 fathoms, and 

 Antedon — a ten-armed species — from 188 to 220 fathoms. 



Phylum MOLLUSCA. 



Branch A. GtLOSSOPHORA. 



Class GASTROPODA. 



Family Naticidae. 



1. SigaretuSj sp. 



Numerous specimens were found at Station 119, in 95 

 fathoms, and a few at Station 120, in 240 fathoms. This 

 species is characteristic of the infra-littoral of the Bay of 

 Bengal at and near the 100-fatliom line from the Mahdnadi 

 to the Kistna. The operculum is without a basal prolon- 

 gation. 



2. Natica {Naticina)^ sp. 



Specimens were met with in the Andaman Sea at 405 

 fathoms, in the Bay of Bengal in 240 to 276 fathoms, and in 

 the Laccadive Sea at 738 fathoms. This species has twice 

 been found in the stomach of a starfish. 



3. Natica, sp. 

 Three dead shells from the Andaman Sea, 683 fathoms. 



