Darwin-Hooker Letters : Letter from C. R. Darwin to J. D. Hooker 12 August 1881
Darwin, Charles Robert
Darwin-Hooker Letters
<p style='text-align: justify;'>Responds to JDH on history of plant geography.</p><p style='text-align: justify;'>Opinion of Humboldt.</p><p style='text-align: justify;'>Origin of higher phanerogams.</p><p style='text-align: justify;'>Importance of the occurrence of south temperate forms in the Northern Hemisphere.</p>