Sent by Charles Robert Darwin, Down House, Beckenham, Kent, S.E. to Alfred Russel Wallace, [The Dell, Grays, Essex] on 3 August .
Encloses a letter to Nature correcting Dr Bree, who has accused ARW of "blundering". [summary by the DCP].
Marchant, James. (1916). II. The complete extant correspondence between Wallace and Darwin (1857-81). 127-320. In: Marchant, James. Alfred Russel Wallace Letters and Reminiscences, Vol. 1. Cassell and Company, Ltd, London, New York, Toronto and Melbourne. i-xi, 1-320. [p. 272-273]