Univalve Shell ID Guide: Conchs, Whelks, Cones, Helmets & More

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Univalve Shell ID Guide: Conchs, Whelks, Cones, Helmets & More - Owlcation

Univalve Shell ID Guide: Conchs, Whelks, Cones, Helmets & More

Rudiments of Conchology; With Explanatory Plates, by Mary Anne Venning, a Project Gutenberg eBook.

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