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| Microphotographs of the scales of various Lepidoptera in the S. American "Transparency group."For explanation see text, pp. [39]-[42]. | ||||||
PLATE XVI NORTH AMERICAN BUTTERFLIES
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INDEX
References to the plates are given in thicker type
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| Microphotographs of the scales of various Lepidoptera in the S. American "Transparency group."For explanation see text, pp. [39]-[42]. | ||||||
PLATE XVI NORTH AMERICAN BUTTERFLIES
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INDEX
References to the plates are given in thicker type