1 116.
Icon.Ency.Meth.plate 221.f.8.

a, b.
20.

Meleagrina albida, var.a.Lam.Hist.6 pt.

1 152.
This appears to be a distinct species from those found in the Gulf of Mexico and the West Indies, but the difference is not easy to describe.
The specimens before me, which are small, differ materially from some of the same size among the American species.

The outside is of a dull greenish-purple colour, with a few distant membranaceous laminae which are only slightly lobed, and not extended into long processes like those of Avicula radiata (Zool.Misc.1.t.