Darwin-Hooker Letters : Letter from Darwin, C. R. to Hooker, J. D. on 6 Sept 1860 : 1r
'Darwin, C. R.'
Thanks Hooker for agreeing to observe coats of asses and mules in Middle East. Asks for observations on vigour of plants as Hooker ascends mountains. Ad hominem article in Athenæum review of John Tyndall, Glaciers of the Alps, 1 Sept 1860, pp. 280–2. Reports extensive experiments on Drosera. Observations on orchid anatomy.