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Observations on the Genus Unio, Vol. 6

Observations on the Genus Unio, Vol. 6 Together With Descriptions of New Species in the Family Unionidae; Read Before the Academy of Natural Sciences of Philadelphia and Published in Their Journal; Part I, 1857 (Classic Reprint)

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Publisher's Synopsis

Excerpt from Observations on the Genus Unio, Vol. 6: Together With Descriptions of New Species in the Family Unionidae; Read Before the Academy of Natural Sciences of Philadelphia and Published in Their Journal; Part I, 1857

Shell winged, smooth, subrotund, somewhat in?ated and very inequilateral valves thick; beaks rather prominent and angular; epidermis yellowish brown; cardinal teeth thick, crenulate and elevated; lateral teeth long, thick and somewhat curved.

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Book information

ISBN: 9780243100477
Publisher: Fb&c Ltd
Imprint: Forgotten Books
Pub date:
Number of pages: 696
Weight: 916g
Height: 229mm
Width: 152mm
Spine width: 35mm