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Morse, E. S. in addressee 
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From:
Charles Robert Darwin
To:
Edward Sylvester Morse
Date:
3 Dec 1871
Source of text:
Peabody Essex Museum: Phillips Library (E. S. Morse Papers, E 2, Box 3, Folder 11)
Summary:

Obliged for ESM’s article ["On adaptive coloration of the Mollusca", Proc. Boston Soc. Nat. Hist. 14 (1870–1): 141–5]. Glad to have error corrected about protective colouring of shells.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Edward Sylvester Morse
Date:
16 Sept 1873
Source of text:
Joseph R. Sakmyster, ADS Autographs (dealer) (no date)
Summary:

Thanks for ESM’s paper ["On the systematic position of the Brachiopoda", Proc. Boston Soc. Nat. Hist. 15 (1873): 315–72]. "What a wonderful change … to look at these ""shells"" as ""worms""."

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Edward Sylvester Morse
Date:
23 Apr 1877
Source of text:
Peabody Essex Museum: Phillips Library (E. S. Morse Papers, E 2, Box 3, Folder 11)
Summary:

Thanks for ESM’s address ["What American zoologists have done for evolution", Proc. Am. Assoc. Adv. Sci. 25 (1876)].

J. A. Allen’s work is important as apparently showing change through direct action of [external] conditions.

CD has given up trying to understand E. D. Cope and Alpheus Hyatt on acceleration and retardation.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Edward Sylvester Morse
Date:
21 Oct 1879
Source of text:
Peabody Essex Museum: Phillips Library (E. S. Morse Papers, E 2, Box 3, Folder 11)
Summary:

Thanks for ESM’s paper [see 12201].

Remarks on progress of Japan.

Contributor:
Darwin Correspondence Project