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Darwin Correspondence Project

To John Murray   [24 September – 31 October 1867]1

Index for Mr Darwin’s work on the Variation of animals & Plants under Domestication.2

The names of all animals & plants to be given in Index. The names of all the authors, with very brief statement of subject– There need not be very copious references to the subjects discussed, as the Heading of Chapters show this. But when the same subject is alluded to in several places; it is highly advisable that it shd be given in Index. Thus I remember that [Peloric] flowers or [Pelorism] is referred to in 3 or 4 places. My Book certainly requires a good index in an eminent degree.

Ch. Darwin


The date range is established by the relationship between this letter, and the letters from John Murray, 23 September [1867] and 1 November 1867 (Correspondence vol. 15).
The index for Variation was prepared by William Sweetland Dallas (see Correspondence vol. 15).


Instructions for the index to Variation

Letter details

Letter no.
Charles Robert Darwin
John Murray
Source of text
Heritage Auctions (dealers) 2006

Please cite as

Darwin Correspondence Project, “Letter no. 5633F,” accessed on 28 November 2021,

Also published in The Correspondence of Charles Darwin, vol. 18 (Supplement)