Zoological Illustrations, Second Series, Volume 1 / or, Original Figures and Descriptions of New, Rare, or Interesting Animals

by William Swainson

Our figure will render a detailed description unnecessary: the wings, although long, are rounded; the fifth quill being the longest. The total length is fifteen inches. Inhabits Senegal, and the Western Coast of Africa.

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Pl. 14.

MARMAROSTOMA. Pl. 1.
M. undulata.

MARMAROSTOMA undulata.

Waved Pearl Snail.

Generic Character.

Shell turbinated, ponderous, the whorls generally angulated, the substance pearly: aperture circular, closed by a testaceous operculum: umbilicus none.