Is preparing new edition of Origin [6th] in which he will introduce new chapter to answer Mivart’s criticisms. Mivart is unfair: suppresses facts in CD’s later editions.

Sends article [by Chauncey Wright, see 7940] reviewing Genesis of species.

Mivart writes to CD full of respect, but reviles him in print.

Sends proofs of Huxley’s article on Mivart, to be published in Contemporary Review ["Mr Darwin’s critics", 18 (1871): 443–76].