Author: Peyron, John.
Title: Zur Morphologie der skandinavischen Schmetterlingseier.
Description: Uppsala & Stockholm, 1909. 304 pp. 10 plts & 232 text-figs. Re-bound in cloth. (Kungl. Svenska Vet. Handlingar, Band 44,1).

Keywords: Entomology Butterflies Lepidoptera Entomologie Vlinders