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Excerpt from The Operculate Land Mollusks of the Family Annulariidae of the Island of Hispaniola and the Bahama Archipelago The base is moderately long, somewhat inflated, well rounded, and marked like the Spire. The umbilical wall is marked by a series Of spiral cords that grow consecutively weaker from the outer inward. The last whorl is solute for about one-twentieth of a turn. Aperture auricular or pear-shaped. The peristome is simple. Operculum paucispiral with the nucleus halfway between subcentral and marginal; the outside is usually covered with a thin deposit of fine calcareous granules. The species is known only from the Dominican Republic. The fol lowing key will help to recognize the known subspecies. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.

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9781331423157

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