Darwin-Hooker Letters : Letter from C. R. Darwin to J. D. Hooker 17 November [1861]
Darwin, Charles Robert
Darwin-Hooker Letters
<p style='text-align: justify;'>JDH’s letter on grounds of generalisation in plant morphology.</p><p style='text-align: justify;'>Faunal distribution and the glacial period.</p><p style='text-align: justify;'>Orchid homologies.</p>