W. P. Pycraft thanks Theodore Roosevelt for his sharp criticism of Abbott Thayer’s book on animal coloration, calling it a public service. He discusses his own work on birds, Darwinian views, and a past attempt to send Roosevelt a copy. Pycraft expresses a desire to meet again and recalls their prior meeting at the museum.

Collection

Library of Congress Manuscript Division

Creation Date

1911-09-13

Creator(s)

Pycraft, W. P. (William Plane), 1868-1942

Recipient

Roosevelt, Theodore, 1858-1919

Language

English

Period

(1911-1912) Progressive Party Candidate

Repository

Library of Congress Manuscript Division

Page Count

4

Production Method

Handwritten

Record Type

Multi-image

Resource Type

Letter

Rights

These images are presented through a cooperative effort between the Library of Congress and Dickinson State University. No known restrictions on publication.

Citation

Cite this Record

Chicago:

Letter from W. P. Pycraft to Theodore Roosevelt. [September 13, 1911]. Library of Congress Manuscript Division.
https://www.theodorerooseveltcenter.org/digital-library/o70508. Theodore Roosevelt Digital Library. Dickinson State University.

MLA:

Pycraft, W. P. (William Plane), 1868-1942. Letter from W. P. Pycraft to Theodore Roosevelt. [13 Sep. 1911]. Multi-image.
Library of Congress Manuscript Division. Theodore Roosevelt Digital Library. Dickinson State University. January 23, 2026. https://www.theodorerooseveltcenter.org/digital-library/o70508.

APA:

Pycraft, W. P. (William Plane), 1868-1942., [1911, September 13]. Letter from W. P. Pycraft to Theodore Roosevelt.
Library of Congress Manuscript Division. Theodore Roosevelt Digital Library. Dickinson State University.
Retrieved from https://www.theodorerooseveltcenter.org/digital-library/o70508.

Cite this Collection

Chicago:

Library of Congress Manuscript Division. https://www.theodorerooseveltcenter.org/collection/library-of-congress-manuscript-division. Theodore Roosevelt Digital Library. Dickinson State University.

MLA:

Library of Congress Manuscript Division. Theodore Roosevelt Digital Library. Dickinson State University. January 23, 2026. https://www.theodorerooseveltcenter.org/collection/library-of-congress-manuscript-division.

APA:

Library of Congress Manuscript Division. Theodore Roosevelt Digital Library. Dickinson State University. Retrieved from https://www.theodorerooseveltcenter.org/collection/library-of-congress-manuscript-division.