RECORD: Darwin, C. R. n.d. Abstract of Vogt 'Microcephalism'. CUL-DAR48.A2. Edited by John van Wyhe (Darwin Online, http://darwin-online.org.uk/)
REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 9.2021. 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-DAR48 contains notes for Natural selection chap. 8 'Transitions of Organs'. Notes on bees' cells for origin of species theory.
Vogt, Karl, C. 1867. Mémoire sur les microcéphales ou hommes-singes. Genève-Bale: Chez H. Georg, Libraire de l'institut, Corraterie, 10.[A2]
Gradation - Difficulty
Vogt. Microceph. p. 197 - 2 close species of Mustela, one has placenta other destitute - analogous differences in sharks - accounts for cases, like F. Muller does from loss of larval characters in Crustaceans.
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 26 July, 2023