Author: Fischer, E.
Title: Neue experimentelle Untersuchungen und Betrachtungen über das Wesen und die Ursachen der Aberrationen in der Faltergruppe Vanessa.
Description: Berlin, R. Friedländer & Sohn, 1896. 8vo (24.2 x 15.8 cm). 67 pp.; two plates. Contemporary green pebbled half linen over marbled boards. = A seldom-seen study on the variability within the butterfly genus Vanessa. With an entomological bookplate of P. Gönner on the front pastedown, his name written on the title page, and his tiny stamp in the first page top margin.

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