A Monograph of the Cretaceous Lamellibranchia of England, Vol. 2

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Excerpt from A Monograph of the Cretaceous Lamellibranchia of England, Vol. 2: Part I., Limidæ, Pages 1-56, Plates I-VII Ornamentation consists usually of 18, but sometimes of as few as 14 or as many as 21 very strong, rounded, straight ribs, which are separated by broader furrows. In well-preserved specimens numerous concentric linear ridges occur on both ribs and furrows, and projecting growth-ridges are seen at regular intervals on the ribs. 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.