Sending sheets of his forthcoming work on Africa [Martyrdom of man (1872)] with views that differ from CD’s on music and sexual selection.

The Pall Mall Gazette will review the new [6th] edition of the Origin, together with Mivart’s Genesis of species [1871].

Defends Descent against CD’s self-disparagement. The parts on the moral sense seem to him the finest in the book.

Compares Origin to Newton’s Principia and Adam Smith’s Wealth of nations.

His view of CD’s response to Mivart.

On mammae;

gradualism of evolution;

suicide among savages.

Saw editor of the Pall Mall Gazette about review of Origin and Genesis of species.

Has just finished his work [? The martyrdom of man (1872)]. The new points are: (1) Negroes have whiskers; (2) their music is sometimes agreeable; (3) the Kaffirs are Negroes.

Plans for visit to CD.

Will see CD tomorrow.

Sends preface of his book [see 8241]; he acknowledges debt to CD, but does not claim to have given a correct exposition of Darwinism.

Glad Mrs Darwin likes his preface, but fears she will not like his tone on religion.

WWR is beginning to appreciate CD’s warnings against his polemical writing.

His book has received bad reviews; therefore CD’s letter cheers him up.

Sends extract [from Carl Johan Andersson, Lake Ngami (1856)] on expression.

Beginning work on his African travels [The African sketch-book (1873)].

Huxley will be asked to review Expression in Pall Mall Gazette.

Observations on expression: women gnash teeth when sexually excited. W. Africans do not kiss.