RECORD: Darwin, C. R. n.d. Abstract of Arlett, Survey of some of the Canary Islands, and of part of the western coast of Africa in 1835. CUL-DAR42.174. Edited by John van Wyhe (Darwin Online, http://darwin-online.org.uk/)

REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 1.2022. 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-DAR42 contains notes for Darwin's book South America (1846).

Arlett, W. 1836. Survey of some of the Canary Islands, and of part of the western coast of Africa in 1835. Journal of the Royal Geographical Society of London 6: 285-310.


[174]

Chart of Red Sea, 1830-34. Capt. Moresby & Carless published 1836

Lieut Arlett

Geographical Journal ?Volume

off coast of Africa in parallel of Mogador Lat 31°. N (front of Canary Isld.) soundings of 100 23 miles from shores. - the soundings decrease very gradually on a sandy bottom.

again 25 miles from 105 fathoms outside bank drops very suddenly Lat 28. 30 miles 98 fathoms

Much dust from desert, everything in ship caked with it.

doubts whether some singularly [coloured] water is not owing to cause. - Lieut Arlett

 

[174v]

C. Blanco 33°. 22 miles 150 fathoms

These charts might be worth examining, on account of pebbles?

Heights given in review of Meyen book. Hopkins

Hopkins Where there is a remarkable unity of structure or one system of dislocations forces have probably acted over the same extent simultaneously.

At Falklands the vast number of thread-like


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

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