RECORD: Darwin, C. R. n.d. Helices. CUL-DAR205.2.77. Edited by John van Wyhe (Darwin Online, http://darwin-online.org.uk/)

REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 5.2022. RN1

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-DAR205.2 contains notes on means of distribution.

The brown crayon number '18' indicates that this document was filed by Darwin in his portfolio for the subject of Migration.

[77]

18

Helices

Operculum Calcareous

Epiphragm Calcareous

Section of {Bonatia – 10 about

Helix aperta (2 or 3 speces)

[illeg] —. 20 about species

Achatina 20.

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Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)

File last updated 25 September, 2022