416.
12.

Petricola rubra ?
Cardium rubrum ?
Montague.
This shell agrees in general form, teeth, and colour, with the Cardium rubrum of Montagu, but it is larger.

It was found imbedded in the seaweed and spongy-like substance that covers the Tridacna squamosa.
13.

Chama limbula, Lam.Hist.6 95.
This shell may, perhaps, be a variety of Chama gryphoides.
14.

Tridacna gigas, Lam.Hist.6 pt.1.