Darwin-Hooker Letters : Letter from J. D. Hooker to C. R. Darwin [16 November 1856]
Hooker, Joseph Dalton
Darwin-Hooker Letters
<p style='text-align: justify;'>JDH not happy with CD’s explanation of the absence of north temperate forms in the Southern Hemisphere, given his explanation for the spread of sub-arctic forms to the south. [CD’s note is in response to JDH’s criticism.]</p>