Darwin-Hooker Letters : Letter from J. D. Hooker to C. R. Darwin 17 March 1862
Hooker, Joseph Dalton
Darwin-Hooker Letters
<p style='text-align: justify;'>JDH has probably influenced Bates by pointing out applicability of CD’s views to his cases.</p><p style='text-align: justify;'>Is greatly puzzled by difference in effect of external conditions on individual animals and plants. Cannot conceive that climate could affect even such a single character as a hooked seed.</p><p style='text-align: justify;'>Does not think Huxley is right about "saltus".</p>