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Theodore Roosevelt argues against some of Abbott Handerson Thayer’s conclusions regarding the protective coloration of animals. Roosevelt believes that Thayer pushed his theory to extremes and he would like a competent scientist to conduct a serious study of coloration.
Library of Congress Manuscript Division
1911-02-02
Theodore Roosevelt writes to Professor Kofoid of the University of California, Berkeley, regarding articles and pamphlets written by Henry Chester Tracy, Abbott Handerson Thayer, J. A. Allen, and Edward William Nelson on the topic of birds, plumage, and biological research.
Library of Congress Manuscript Division
1911-02-02
Theodore Roosevelt argues against some of Abbott Handerson Thayer’s conclusions regarding the protective coloration of animals. Roosevelt believes that Thayer pushed his theory to extremes and he would like a competent scientist to conduct a serious study of coloration.
1911-02-02