The Complete Work of Charles Darwin Online

RECORD: Darwin, C. R. n.d. Abstract of Athenaeum, 1850. CUL-DAR205.9.240. Edited by John van Wyhe (Darwin Online, http://darwin-online.org.uk/)

REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 9.2021. RN1

NOTE: The brown crayon number '22' indicates that this document was filed by Darwin in his portfolio for the subject of Palaeontology: extinction.

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].

[240]

Athenaeum. 1850. p. 847. [line excised]

The 3 stages of the Purbeck beds have distinct species - "not simply in a rapid or sudden change of their area into land or sea, but in the great lapse of time which intervened between their epochs of deposition" I fancy the Weald Clay & Hastings sand again distinct, if so this very curious case. - Wealden connected with Oolite. Murchison "remarked on small" "physical extent of the Purbeck strata compared with "their palaeontological importance, confirming the "belief that a whole epoch may be represented by a "few feet of deposit" - N.B. Purbeck found on continent.

[R. Murchison. 1850. Athenaeum, no. 1189 (10 August): 847.]

p. 879. do. do. In Bohemia an older series of Silurian fossils than any known in England. Murchison announced. M. Barrande.

[words excised] Strachy on Boulder drift at 15500 ft. in Himalaya [few words excised] of upheaval.

[R. Murchison. 1850. Athenaeum, no. 1190 (17 August): 879.]

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