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Darwin Correspondence Project

To John Edward Gray   [18 December 1847]1


Saturday Night

My dear Gray

If you do not approve of the enclosed,2 pray return it me for correction. I have asked for the collection in groups; if I had the pedunculated & sessile separate it would be all I could wish; & I could with some difficulty divide the sessile into two sub-groups.— But if my request is granted all the details, no doubt will be at your command.—

I have said nothing about time, fearing that the Trustees might hamper me; but on that head you will act, I believe, as far as you can for my advantage.—

I thank you most sincerely for your kindness & great liberality in this whole affair3

Yours very sincerely | C Darwin


The date is based on CD’s reference to an enclosure also addressed to Gray, which is dated 18 December 1847. See letter to J. E. Gray, 18 December 1847.
In the preface to Living Cirripedia (1851): v, CD stated: I had originally intended to have described only a single abnormal Cirripede, from the shores of South America, and was led, for the sake of comparison, to examine the internal parts of as many genera as I could procure. Under these circumstances, Mr. J. E. Gray, in the most disinterested manner, suggested to me making a Monograph on the entire class, although he himself had already collected materials for this same object.


Living Cirripedia (1851): A monograph of the sub-class Cirripedia, with figures of all the species. The Lepadidæ; or, pedunculated cirripedes. By Charles Darwin. London: Ray Society. 1851.


Discusses loan of cirripede specimens from the British Museum.

Letter details

Letter no.
Charles Robert Darwin
John Edward Gray
Sent from
Source of text
American Philosophical Society (Mss.B.D25.71)
Physical description

Please cite as

Darwin Correspondence Project, “Letter no. 1146,” accessed on 26 July 2021,

Also published in The Correspondence of Charles Darwin, vol. 4