Catalogue of the Fossil Sponges in the Geological Department of the British Museum

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Excerpt from Catalogue of the Fossil Sponges in the Geological Department of the British Museum: Natural History, With Description of New and Litlle-Known Species, Illustrated by 38 Lithographic Plates In a few instances I have described species of which the Museum does not at present possess any examples, but these forms will be found in the Museum of Practical Geology in Jermyn Street, and were kindly lent for examination by Prof. Archibald Geikie, LL.D., F. R.s. The illustrations of the minute structure will, in some cases, appear defective - a result due, not to any lack of ability on the part of the artist, but to difficulties arising from the state of preservation of the fossils themselves. In all cases the endeavour has been to delineate the structure in its present condition. 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.