OLIVA striata.
Shell small, cylindrical, sub-effuse, distinctly marked by regular longitudinal striæ; upper part of the body whorl with one, lower part with four, belts; spire short, channelled, sub-papillary, naked; base of the pillar striated and externally detached by a groove.
Ancillaria canalifera?? Lam. Syst. 7, 415.
We do not find this fossil clearly described. Our specimens appear to be from the London clay. Its form seems analogous to Conohelix among the Mitres. The line adjoining the figures denotes the natural length of the shells.
Pl. 41.
PSARIS cristatus.
Crested or white backed Saris.
