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Darwin Correspondence Project

To Francis Darwin   13 May [1872]1

Down, Beckenham, Kent.

May 13th.

My dear Frank

Will you try to persuade Mr. Bartlett to do me a great favour (and if he will, report the result to me)—viz. to show to the Porcupine a live snake, observe whether the sight of the snake will make it rattle the quills on the tail, as Mr. Bartlett showed me that the Porcupine does when angered.2

You can read this note to Mr. Bartlett.

Yours affectionately | C. Darwin.


The year is established by the relationship between this letter and the letter from A. D. Bartlett, 16 May 1872.
Abraham Dee Bartlett was superintendent of the Zoological Gardens, Regent’s Park, London.


Will FD try to persuade A. D. Bartlett to show a live snake to a porcupine and observe whether the porcupine rattles the quills on its tail? [See 8333.]

Letter details

Letter no.
Charles Robert Darwin
Francis Darwin
Sent from
Source of text
DAR 153: 17
Physical description
C 1p

Please cite as

Darwin Correspondence Project, “Letter no. 8325,” accessed on 12 September 2023,

Also published in The Correspondence of Charles Darwin, vol. 20