RECORD: Darwin, C. R. [1852-1854]. [Note on gradation of barnacles.] CUL-DAR48.A5. (John van Wyhe ed., 2002-. The Complete Work of Charles Darwin Online, http://darwin-online.org.uk/)
REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 9.2021. RN2
NOTE: See record in the Darwin Online manuscript catalogue, enter its Identifier here. Reproduced with permission of the Syndics of Cambridge University Library and William Huxley Darwin. The volume CUL-DAR48 contains notes for Natural selection chap. 8 'Transitions of Organs'. Notes on bees' cells for origin of species theory.
Species of barnacles illustrated in Darwin, C. R. 1854. A monograph on the sub-class Cirripedia, with figures of all the species. The Balanidæ, (or sessile cirripedes); the Verrucidæ, etc. etc. etc. London: The Ray Society. Volume 2 Text
[A5]
Gradation
Pæcilasma Pl. II. fig 2.
Lepas
Pollicipes mitella
Catophragmus (side view)
Balanus Pl. VII. Fig 5a
Balanus tumorifer Pl. Fig a
Conia. Pl X. Fig I.
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 5 January, 2026