RECORD: Darwin, C. R. n.d. Abstract of Müller, 8vo Pamphlet on orchids. CUL-DAR45.35. Edited by John van Wyhe (The Complete Work of Charles Darwin Online, http://darwin-online.org.uk/)
REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 10.2022. RN2
NOTE: See record in the Darwin Online manuscript catalogue, enter its Identifier here. Reproduced with permission of the Syndics of Cambridge University Library William Huxley Darwin. The volume CUL-DAR45 contains notes for Natural selection chap. 4 'Variation under nature'.
[35]
H. Müller in 8vo Pamphlet on orchids
Most valuable facts on gradation of closely allied species— may be considered distinct or the same species, according as extreme forms are considered or links as well.—
Müller, Hermann. 1868. Beobachtungen an westfälischen Orchideen. Verhandlungen des Botanischen Vereins Berlin Brandenburg 25: 1-62, pls. I-II. [Darwin Pamphlet Collection 550] PDF
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 25 August, 2025