Charles Doolittle Walcott

Cambrian Geology and Paleontology ...: Cambrian and Ozarkian trilobites. 1925. (Pub. 2823)

Fred Boughton Weeks

Arthur Winslow

Florence Bascom

Frederick Haynes Newell

Timothy William Stanton

The Fauna of the Knoxville Beds

Contributions to the Cretaceous Paleontology of the Pacific Coast

The Cambrian Rocks of Pennsylvania

Excerpt from Fossil Medusae The shale containing the fossils breaks down into clay on exposure to moisture, heat, and cold, and the siliceous nodules weather out from it and are found in large numbers on the surface and along the drainage channels. Fragments of trilobites, etc, occur in the shale, and are attached to and embedded in many of the nodules, and, more rarely, attached to specimens of the medusae. The fossils common to the shale and nodules are. 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."

Fossil Medusæ (Classic Reprint)

Paleontology of the Eureka District

Charles Doolittle Walcott

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