Belted Natica—upper figures.
Generic Character.—See [Pl. 75.]
Specific Character.
N. testâ subglobosâ, mustelinâ concolore, obsoletè rugatâ, fasciâ levatâ basin cingente; spirâ depressâ, apice acuto; umbilico magno, aperto; columellæ basi gracili, levatâ.
Shell sub-globose, uniform, fulvous-brown, obsoletely wrinkled, base with an elevated belt; spire depressed, the tip acute; umbilicus large, open; pillar termination slender, elevated, and central.
The elevated belt at the base affords an excellent distinction to this species. The specimen in my cabinet is the only one I have seen. Locality unknown.