Manual of Conchology, Structural and Systemic, Vol. 4: With Illustrations of the Species (Classic Reprint) - Softcover

Tryon, George W.

 
9781332021611: Manual of Conchology, Structural and Systemic, Vol. 4: With Illustrations of the Species (Classic Reprint)
Softcover
ISBN 10: 1332021611 ISBN 13: 9781332021611
Verlag: Forgotten Books, 2018

Inhaltsangabe

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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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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Reseña del editor

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.

Reseña del editor

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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Verlag
Forgotten Books
Erscheinungsdatum
2018
Sprache
Englisch
ISBN 10 
1332021611
ISBN 13 
9781332021611
Einband
Tapa blanda
Anzahl der Seiten
330
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