RECORD: Darwin, C. R. n.d. Beds of fossil Potamomya now found 40 ft above level of river. CUL-DAR39.100. Edited by John van Wyhe (Darwin Online, http://darwin-online.org.uk/)
REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 8.2022. 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.
[100]
Beds of fossil Potamomya now found 40 ft above level of river & from 2 1/2 to 3 miles inland situation: Chacara de los Belamitas [Bethlemitas] on the road to San Isidro near the arroyo de Medrano. ─ always found on highest banks
at the Arroyo del Tristan, near Ecuador reddish good Tosca, hard & distant one & a quarter leagues with very imperfect fragments of shells, this in G Tolenis exactly like the substance embedding the Potomomya
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 25 September, 2022