Sowerby, G. B. I. (1832-1837). Cypraea, Erato, Ovulum. In: The Conchological Illustrations. London. Parts 1-8, 101-131. Catalogue and index, 20 pp. [Parts 1-8, figs 1–61 (1832); Parts 101-112, figs 63-112 (1836); Parts 113-131, figs 113-181 (1837)].
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Sowerby, G. B. I
1832-1837
<i>Cypraea, Erato, Ovulum</i>. In: The Conchological Illustrations. London. Parts 1-8, 101-131. Catalogue and index, 20 pp. [Parts 1-8, figs 1–61 (1832); Parts 101-112, figs 63-112 (1836); Parts 113-131, figs 113-181 (1837)].