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Darwin Correspondence Project

From B. D. Walsh   [before 31 October 1868]1

Extracts from a Journal of the doings of Cic. septemdecim in Penna. in 1851. By Dr. W. D. Hartman, of West Chester, Penna. June 6 & 7, 1851.2 They seem now to be all up, & the drums

CD annotations

Verso: ‘Just like Birds— Perhaps only a call note & best caller’ ink


The date is established by the relationship between this fragment and the letter to B. D. Walsh, 31 October 1868.
CD quoted from William Dell Hartman’s ‘Journal of the Doings of Cicada septemdecim’ on the drumming sounds of the male insect in Descent 1: 351; in n. 24, he noted that Walsh had sent him the extract. The extracts have not been found in the Darwin Archive–CUL; no book or paper in which they were published has been identified. CD had received information from Walsh on the stridulation of male insects in his letter of 29 August 1868.


Descent: The descent of man, and selection in relation to sex. By Charles Darwin. 2 vols. London: John Murray. 1871.


Beginning of extract from William Dell Hartman’s "Journal of the doings of Cic[ada?] septemdecim" [unidentified] in Pennsylvania in 1851.

Letter details

Letter no.
Benjamin Dann Walsh
Charles Robert Darwin
Sent from
Source of text
DAR 81: 145
Physical description
inc †

Please cite as

Darwin Correspondence Project, “Letter no. 5755,” accessed on 4 June 2023,

Also published in The Correspondence of Charles Darwin, vol. 16