Weidemeyer, J. Wm.
Catalogue of North American butterflies / by J.Wm. Weidemeyer.
Philadelphia : Printed by the Society, 1864.
Alternate pages left blank for mounting of illustrative material.
"From the Proceedings of the Entomological Society."
Includes bibliographical references.
Butterflies -- North America.
Entomological Society of Philadelphia.
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