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Darwin Correspondence Project

To J. A. H. de Bosquet   13 October [1853]

Down, Bromley, Kent

Oct. 13th

My dear Sir

I thank you very sincerely for your very kind letter. Like yourself, I have been much delayed: I had expected to have begun printing long ere this, but now I do not suppose that I shall be in the press for three or four weeks; and a month or six weeks hence will do perfectly for me, if I can then receive your memoir,1 which you are so kind as to offer me. I must however venture to express my regret that you do not give abbreviated or specific characters, as the Author can make them so much better than any one else, and they always strike me as so eminently useful in facilitating the recognition of species. I will, however, try to make such for my “Synopsis speciorum”;2 but you cannot imagine how anxious I am to finish my work, and go to something new. My health is delicate and I can work only from 2–3 hours daily; and hence I have spent a ridiculously long time over the Cirripedia.3 To my mind making out any subject is deeply interesting, but the publishing the results intolerably tiresome. You are so kind as to offer to send me some valves of a Balanus found at Spauwers ?? and Bergh:4 I certainly should like to see them very much, as the species are very rare in the older Tertiaries Has this Balanus been named ?5 Pray believe me, my dear Sir, with very many thanks for all your kindness, and with much respect,

Your’s very faithfully | C. Darwin


A misreading by the copyist of ‘specierum’. CD included descriptions of Bosquet’s species of Scalpellum and Pollicipes in his Latin ‘Synopsis et index systematicus specierum’ (Living Cirripedia (1854): 631, 637).
CD began working on the cirripedes in 1846, although he did not undertake a full systematic study of the sub-class until November 1847 (see Correspondence vol. 4).
The copyist could not decipher ‘Spauwen’. CD referred to Bosquet’s specimens from Bergh and Klein Spauwen, Belgium, in Fossil Cirripedia (1854): 29 n. 1.
CD thanked Bosquet for specimens of Balanus perplexus (a synonym of Chirona unguiformis) and for the variety erisma (Fossil Cirripedia (1854): 29, 30).


Bosquet, Joseph Augustin Hubert de. 1854. Monographie des Crustaces fossiles du terrain Crétacé du Duché de Limbourg. Haarlem.

Correspondence: The correspondence of Charles Darwin. Edited by Frederick Burkhardt et al. 29 vols to date. Cambridge: Cambridge University Press. 1985–.

Fossil Cirripedia (1854): A monograph of the fossil Balanidæ and Verrucidæ of Great Britain. By Charles Darwin. London: Palaeontographical Society. 1854.

Living Cirripedia (1854): A monograph of the sub-class Cirripedia, with figures of all the species. The Balanidæ (or sessile cirripedes); the Verrucidæ, etc. By Charles Darwin. London: Ray Society. 1854.


Discusses publication of Fossil Cirripedia.

Comments on paper by JAHdeB ["Les crustacés fossiles du terrain Crétacé du Limbourg", Verh. Uitg. Comm. Geol. Beschrijving & Kaart Ned. 2 (1854): 11–137].

Letter details

Letter no.
Charles Robert Darwin
Joseph Augustin Hubert de Bosquet
Sent from
Source of text
DAR 143: 128
Physical description
C 2pp

Please cite as

Darwin Correspondence Project, “Letter no. 1537,” accessed on 7 June 2023,

Also published in The Correspondence of Charles Darwin, vol. 5