Darwin-Hooker Letters : Letter from C. R. Darwin to J. D. Hooker 31 March [1844]
Darwin, Charles Robert
Darwin-Hooker Letters
<p style='text-align: justify;'>Thanks for JDH’s interesting details about the Galapagos.</p><p style='text-align: justify;'>Clarification of CD’s query about the relationship between the range of a genus and the ranges of its constituent species.</p>