RECORD: Darwin, C. R. 1880. Abstract of Hofmeister, 1845. Familie der Regenwürmer. CUL-DAR64.1.55. 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 6.2021. Corrections by John van Wyhe 7.2025. RN2

NOTE: Reproduced with permission of the Syndics of Cambridge University Library and William Huxley Darwin. The volume CUL-DAR64 contains material for Earthworms, experiments on worms; different locales & photographs and cuttings from journals.

Darwin cited Hofmeister's Familie der Regenwürmer, 1845 in Earthworms. F1357


55

Hoffmeister  Light

a great abstract - "great sensitiveness to light" - within certain time respond

- act as if [withdrawing] – Then dash into holes - some squirm – others instantly – very few

no signs of sensitiveness - & others copulating. – The latter only seldom affected by light.-

If light once being [pronounced] effect withdrawing it down into stop [action] -

Only 2 front rings sensitive cerebral ganglia.– if [illeg] end furnished will bear nearest approach of flame– true for sun-light in water


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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 7 July, 2025