. "1929"^^ . . "1929"^^ . "Verity, R. 1929. The Asiatic origins of the Western Palaearctic Rhopalocera exemplified by Melitaea didyma, Esp. The entomologist's record and journal of variation, 41 (5): 72-76." . "Verity (1929)" . . . . "Verity (1929)" .