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

by G. B. Sowerby

PLATE XIII.

Assiminea.

Fig.

01. A. Grayana, Jeffreys.—Limneus and Paludina G.—Greenwich and other marshes.

02. A. littorea, Delle Chiaje, (Helix littorina.)—Rissoa globularis and littorea.—On shore at Weymouth, Serk, Portland, Mr.

Rissoa, or Cingula.

03. R. ulvæ, Pennant, (Turbo.)—Helix, Cingula, Paludina, and Littorina.—In brackish water, on British shores, C.

03*. —— var. subumbilicata, R.