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Keywords from Image Description:
Fr. Berge's Schmetterlingsbuch nach dem gegenwrtigen Stande der Lepidopterologie neu bearb. und hrsg. von Professor Dr. H. Rebel . Resultate von TemperaturExperimenten Pap machaon aberr Hitze mach ab nigrofasoiata Rothke Hitze Van nrticae var connexa Btlr Klte urt ab ichnusoides Selys Frost urt ab atrebatensis Hitze