Page:Darwinism by Alfred Wallace 1889.djvu/273

 In Eastern Peru and Bolivia—

In Pernambuco— In Rio Janeiro—

In South Brazil—

Besides these, a number of species of Ithomia and Napeogenes, and of Napeogenes and Mechanitis, resemble each other with equal accuracy, so that they are liable to be mistaken for each other when on the wing; and no doubt many other equally remarkable cases are yet unnoticed.



The figures above of the fore and hind wings of two of these mimicking species, from Dr. Fritz Müller's original paper in Kosmos, will serve to show the considerable amount of