Researches on mimicry on the basis of a natural classification of the papilionidae. Part two: researches on mimicry
Stuttgart: Erwin Nagele, 1896. Quarto, eight coloured plates. Modern binder's cloth, small library stamp, all edges uncut. More
Stuttgart: Erwin Nagele, 1896. Quarto, eight coloured plates. Modern binder's cloth, small library stamp, all edges uncut. More