Thanks for invitation [to stay with GR at Oxford], but his poor state of health requires him to stay in private lodgings.

CD’s plans are uncertain because of his daughter’s [Henrietta Darwin] fever.

If GR would kindly reserve rooms for CD near college, CD will write before the meeting [of British Association at Oxford] if he is prevented from coming.

Agrees with GR’s remarks on Asa Gray’s pamphlet.

New edition of Origin to appear immediately.

Fact of clubbed fingernails in cyanosis quite new to CD. Asks for information.

Thanks for explanation of cyanosis and clubbed nails.

Hopes GR will work out point about mucus tubes.

GR’s letter is a gold-mine.

Pleased to have Pierre Gratiolet’s comment on the embryology of greatly modified organs

and GR’s valuable cases of analogous variation.

Doubts craniologists, but recounts his father’s opinion that the shape of CD’s head was altered when he returned from the Beagle.

No summary available.

Thanks for GR’s "Address" [see 10141].

Wishes he had not quoted Bagehot’s remark [in Descent 1: 239] about decrease in savage populations. Interest in subject.

Thanks GR for his notes and essays [see 10581].

Similar appendages to those GR mentions [see 10581] appear on the necks of goats, but the idea of reversion to a common progenitor of goats and pigs "stumps" CD.