RECORD: Darwin, C. R. [1863-1874]. Abstract of Laycock, On the naming and classification of mental diseases and defects. CUL-DAR87.134. 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 3.2022. RN2
NOTE: See record in the Darwin Online manuscript catalogue, enter its Identifier here. Reproduced with permission of the Syndics of Cambridge University Library and William Huxley Darwin. The volumes CUL-DAR87-90 contain material for Darwin's book Descent of man 2d ed. (1874-1877).
[134]
811. 8vo Prof. Laycock, p. 15 [165] I must quote him on animal character of idiots.
Laycock, Thomas. 1863. On the naming and classification of mental diseases and defects. Journal of Mental Science 9(46) (July): 153-172. [Darwin Pamphlet Collection 279, 811] PDF Darwin cited this in Descent 2d ed., p. 36, n37: "Prof. Laycock sums up the character of brute-like idiots by calling them theroid; 'Journal of Mental Science,' July 1863."
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 21 August, 2025