Has not yet read the pamphlets [selection of reviews of Origin, sent by CD at GB’s request]. Though GB does not go so far as Hooker in accepting all of CD’s hypotheses and does not feel up to a thorough discussion of his views, he hopes in his Linnean Anniversary Address [Proc. Linn. Soc. Lond. (1863): xi–xxix] to speak on the present state of the [species] question.

CD thinks HBD’s tables would be a considerable gain because "the importance of hereditary transmission can hardly be exaggerated from every point of view". Makes suggestions.

Asks him to send any remarkable cases of inheritance to him and, as well, any case of regrowth of amputated additional digit.