CD’s receipt of diploma from Caesarea Leopoldino-Carolina Academy [Dresden].
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CD’s receipt of diploma from Caesarea Leopoldino-Carolina Academy [Dresden].
Pleased with JDH’s reaction to MS on large and small genera.
Confident of soundness of principle of divergence.
CD experimenting on pollination mechanism of Leguminosae. Asks JDH to investigate Fumariaceae.
Etty [Henrietta Darwin] very ill with diphtheria.
Death of Charles Waring Darwin [1856–8] from scarlet fever.
JDH’s and Lyell’s kindness [presumably about A. R. Wallace’s letter]. CD can provide a copy of his letter to Asa Gray [about CD’s species theory].
JDH wants papers at once. CD sends Wallace’s paper and CD’s abstract of his letter to Asa Gray. Sends [species] sketch of 1844 with JDH’s notes to assure JDH he had read it.
No summary available.
Communicate papers by CD and A. R. Wallace on "The Laws which affect the Production of Varieties, Races, and Species". Explain that CD and Wallace have, independently and unknown to each other, arrived at the same theory to account for the appearance and perpetuation of specific forms, and that neither has yet published, although CD first sketched his theory in 1839. Give their reasons for arranging the joint presentation.