Comments on CK’s letter [3426].

Identifies species of pigeon shot by party.

On CK’s "grand and awful" notion of genealogy of man, CD recalls how revolting was the thought that his ancestors must have been like the Fuegians. His present belief that they were hairy beasts is less revolting.

Has heard of mules of canary and other finches breeding occasionally, but it is rare, and there is hardly one authenticated case of two such mules breeding together.

Sixteen of the household at Down are sick with influenza.

Writes that [Murray’s] terms are very favourable; has never heard of such terms offered for a first work. HWB can depend on fact that Murray is pleased with it [The naturalist on the river Amazons].