Illustrated Index of British Shells / Containing figures of all the recent species

by G. B. Sowerby

26. S. crispata, Flem.—Zetland, etc., in sand, Mc.

Phasianella.

27. P. pullus, Linn. (Turbo.)—T. pictus, Cingula p., etc.—Brit. co. generally, C.

PLATE XII.

Ianthina. Floats on ocean.

Fig.

01. I. communis, Lamk.—Helix Ianthina, I. fragilis, etc.—Cornwall, Bristol, etc.; oceanic, C. Sides depressed.

02. I. britannica, Leech. Reeve.—Ireland, Cornwall, etc., Mr. Darkly coloured, not compressed.