Library of Universal History And Popular Science volume 18
Library of Universal History And Popular Science volume 18
Isreal Smith Clare
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Lorena, and several others, are white with a few black bands and marginal spots like so many of their allies, while the females are gaily colored with yellow and brown, and exactly resemble some spe- cies of the uneatable Heliconidce of the same district. Similarly, in the Malay Archipelago, the female of Diadema anomala is glossy metallic blue, while the male is brown ; the reason for this reversal of the usual rule being that the female exactly mimics the brilliant coloring of the common and ...uneatable Euplcea midamus, and thus secures protection. In the fine Adolias dirtea, the male is black with a few specks of ochre-yellow and a broad marginal band of rich metallic greenish-blue, while the female is brownish-black entirely covered with rows of ochre- yellow spots. This latter coloration does not appear to be protective when the insect is seen in the cabinet, but it really is so. I have ob- served the female of this butterfly in Sumatra, where it settles on the ground in the forest, and its yellow spots so harmonize with the flickering gleams of sunlight on the dead leaves that it can only be detected with the greatest difficulty.
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