Excerpt from Bulletin No, 7 of the Illinois State Museum of Natural History: New and Interesting Species of Palæozoic FossilsFound in the Keokuk Group, at Boonville, Missouri, and now in the collection of S. A. Miller. The specific name is in honor of F. A. Sampson, the well known naturalist of Sedalia, Missouri.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis 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.