The Complete Work of Charles Darwin Online

RECORD: Darwin, C. R. n.d. Ch 6 / …why we do not find intermediate geolog. forms. CUL-DAR47.60. Edited by John van Wyhe (Darwin Online, http://darwin-online.org.uk/)

REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 7.2022. 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. The volume CUL-DAR47 contains notes for Natural selection chap. 7 'Laws of Variation'.

[60]

Ch 6

I am not at all sure whether it wd not be highly desirable to discuss here at end of chapter why we do not find intermediate geolog. forms.—

Elevation & subsidence alternating wd come in well.— The beginning of all life not really arising at Silurian wd have to come in. ↘

[60v]

Look at Lyells table, compare Pictet— it is like landing fr 5 minuteson ~~another~~ one continent, judging of fauna of periods. Hardly applicable to shells.—

How far cd other geological point

Extinction — geolog-geograph departure be considered separately — relation of genera intermediate — higher & lower —

Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)