RECORD: Darwin, C. R. 1860.03.01. Jukes - says Calymene Blumenbachii which ranges from upper to lower Silurian deposits. CUL-DAR205.9.353. Edited by John van Wyhe (Darwin Online, http://darwin-online.org.uk/)
REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 10.2021. 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-DAR205.9 contains notes on palaeontology and geology [regarding theory of evolution].
[353]
March 1. 1860. J Beete Jukes - says Calymene Blumenbachii which ranges from upper to lower Silurian deposits present vars in two stages so that Salter thought of naming them distinct. Jukes & Baily think the Spirifer Verneuilli is only vars & this is same with S. disjunctus & Strictus
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 25 September, 2022