340 Journal of the Asiatic Society of Bengal. [Aug.-Sept., 1913. 
Fabr. were obtained among the rocks and boulders of the reef to 
the west of the bay. 
EcuInopERMATA.—Several specimens of Astropecten, sp., 
and one example of Pentaceros, sp., were obtained on the sandy 
n 
promontory to the west of the bay numerous examples of 
a spiny sea-urchin, black in colour, were found. 
Large Holothurians, Holothuria atra, Jiger, were common 
on the rock reefs, and two examples of a Crinoid were also 
alit 
plete list of the mollusc fauna of the various localities is given 
in Table I (Appendix). Ihave throughout followed the nomen- 
jrina margaritifera were found. cording to Brown and 
Simpson, (1907, p. 10), the channel between Cap Island and 
the Mainland forms a large Pearl-oyster bed am, however, 
One or two small specimens of a Polypus were found in 
the rock-pools and on one occasion a mass of eggs of some 
fairly large Cephalopod was found attached to a rock near low 
ide mark. 
CoeLENTERATA.—Two different species of coral were found 
growing in the rock-pools, one of these was a species of Porites. 
ae i siliceous spicules : it belongs to the group Ceratina. 
1s Jatter form was interesting as it provided several examples 
