Darwin-Hooker Letters : Letter from C. R. Darwin to J. D. Hooker 13 June [1850]
Darwin, Charles Robert
Darwin-Hooker Letters
<p style='text-align: justify;'>On Himalayan stratigraphy. Believes JDH’s observations of glacial action are the first ever done east of Urals.</p><p style='text-align: justify;'>Barnacles and the species theory; impressed with variation.</p><p style='text-align: justify;'>Effect of CD’s species sketch on JDH’s view of willow systematics.</p>