Petrificata Derbiensia, Vol. 1 (Classic Reprint)

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Excerpt from Petrificata Derbiensia, Vol. 1In the descriptive part of the work, the reader will perceive, my aim has been to apply to extraneous fossils the mode of investigation, happily established in Botany and Zoology. Hence, instead of giving a mere list of names, and these chie¿y of species formed from entire genera or tribes of organic bodies I consider, in the first instance, every genuine or permanent fossil species to depend on a single recent one, and, accordingly, have endeavoured to fix the essential characters, by which it may hereafter be discriminated.In arranging and describing petrifactions on this plan, I have unavoidably been led to use certain distinctive terms, which either do not occur in works of this kind, or not exactly in the sense in which they are here employed of these, it was at first my intention to have given an explanation in the present volume.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.