Excerpt from Manual of Conchology, Structural and Systemic, Vol. 4: With Illustrations of the Species
I. Aperture crescentic or rounded-lunar; folds or teeth if present, not developed from the margin of peristome; parietal callus very light. A. Sinistra], the last whorl distorted; no teeth or folds within.
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Excerpt from Manual of Conchology, Structural and Systemic, Vol. 4: With Illustrations of the Species
I. Aperture crescentic or rounded-lunar; folds or teeth if present, not developed from the margin of peristome; parietal callus very light. A. Sinistra], the last whorl distorted; no teeth or folds within.
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.
Excerpt from Manual of Conchology, Structural and Systemic, Vol. 4: With Illustrations of the Species
The present volume is devoted to the oriental Helices, including the large species of Japan, China, the East Indies, Australia, Madagascar and Ceylon. First place has been given to Stegodera, a Chinese group of uncertain affinities, containing forms with curiously toothed and contorted apertures. Pedinogyra and Ampelita follow, each of these being apparently an isolated group, not united by known characters to other subgenera. A number of groups are then discussed which the writer has brought together on account of the novel character of their ova, which are relatively enormous, the embryonic shell often exceeding one-third the diameter of the adult. To this macrembryonic group, as it may be termed, belong Helicophanta, Stylodonta, Acavus and Panda - the largest of Helices. The great series of which Hadra, Xanthomelon and Sphœrospira are leading forms is then considered; and finally are monographed Plantspira, Obba, Chloritis, and the forms grouping around them.
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.
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PAP. Zustand: New. New Book. Shipped from UK. Established seller since 2000. Bestandsnummer des Verkäufers LW-9781332021611
Anzahl: 15 verfügbar
Anbieter: Forgotten Books, London, Vereinigtes Königreich
Paperback. Zustand: New. Print on Demand. This book focuses on a group of particular snails known as Stegodera that existed as far back as the Yangtze River in Central China to Cambodia. These species have a characteristically strange and distorted appearance with irregular and often hairy shells. Considered a distinct phylum, the author notes that this group of species may even belong to a new and yet-to-be-identified family. The author carefully analyzes and describes each of the species in detail and considers how they may fit into the broader family of snails. The book is crucial to our understanding of this unusual group of snails and will be of great interest to naturalists, malacologists, and anyone interested in the vast and intricate history of life on earth. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book. print-on-demand item. Bestandsnummer des Verkäufers 9781332021611_0
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