Darwin-Hooker Letters : Letter from J. D. Hooker to C. R. Darwin 7 October 1878
Hooker, Joseph Dalton
Darwin-Hooker Letters
<p style='text-align: justify;'>Botanical evidence is against F. B. White’s origin of St Helena fauna. JDH holds flora is S. African. Since plants must arrive before insects, if fauna is Palearctic then flora survived glacial period. Flora not Miocene since old and relic orders are absent. Suggests S. African west coastal mountains as insects’ origin.</p>