Observations on the Genus Union

Observations on the Genus Union : Together with Descriptions of New Genera and Species in the Families Naiades, Conchae, Colimacea, Lymnaeana, Melaniana and Peristomiana; Consisting of Four Memoirs Read Before the American Philosophical Society from 1827 T

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Excerpt from Observations on the Genus Union: Together With Descriptions of New Genera and Species in the Families Naiades, Conchae, Colimacea, Lymnaeana, Melaniana and Peristomiana; Consisting of Four Memoirs Read Before the American Philosophical Society From 1827 to 1834 IN closing this volume, which I now do with my fourth Memoir, I look back with peculiar pleasure on the hours employed in investiga ting that family (the Naiades) which has been my chief study in zoology. Induced at first to the study of conchology by the desire of promoting my knowledge of geology, which recent discoveries prove to be almost a blank sheet without the chart of its sister science, I found myself launched into a new and delightful ocean, culling and choosing among nature's choicest and most favoured works. The geologists of the new schools regard shells as indicating, in the most positive and direct manner, nearly all the strata above the primitive, from the 'lowest Fossiliferous Group' of De la Beche, to the high est of the series, the 'modern Group, ' (the 'recent Period' of Lyell). 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.show more

Product details

  • Paperback | 156 pages
  • 152 x 229 x 8mm | 218g
  • Forgotten Books
  • United States
  • English
  • , black & white illustrations
  • 0243114257
  • 9780243114252