Image of facing pages (p. 136-137) from The descent of man, and selection in relation to sex / by Charles Darwin. London : John Murray, 1871. Page 136 is text. Page 137 has illustration of peacock feather. Feather of peacock, about two-thirds of natural size, carefully drawn by Mr. Ford. The transparent zone is represented by the white zone, confined to the upper end of the disc.
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Exhibited: "Rewriting the book of nature"
Rewriting the book of nature and Is part of: Descent of man, and selection in relation to sex; See related catalog record: 60820030R