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Pearl, Raymond, 1879-1940

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Letter from Raymond Pearl to Theodore Roosevelt

Raymond Pearl thanks Theodore Roosevelt for his letter, agrees that his experiments don’t disprove the protective coloration theory, and says he hopes to publish more data soon.

Collection

Library of Congress Manuscript Division

Creation Date

1911-09-12

Creator(s)

Pearl, Raymond, 1879-1940

Letter from Raymond Pearl to Theodore Roosevelt

Raymond Pearl considers Theodore Roosevelt’s latest scientific paper on “Revealing and Concealing Coloration” to be a valuable contribution to the discussion regarding the topic, and offers his own thoughts and findings based on his own experiments that might be of interest to Roosevelt.

Collection

Library of Congress Manuscript Division

Creation Date

1911-08-31

Creator(s)

Pearl, Raymond, 1879-1940