Moritz Wagner is going to attack selection theory in his new book on his travels in America [Naturwissenschaftliche Reisen im tropischen Amerika (1870)].

K. G. Semper may attack CD’s theory of coral islands.

Describes his brother Alexander’s discovery of male of Bonellia, a striking example of dimorphism. Encloses a plate with notes on his brother’s work.

The difficulty his wife, Sofya Kovalevsky, has had as a woman in being admitted to Berlin University. Kirchow [Gustav Robert Kirchhoff], at Heidelberg, has taken an interest in her.

Plans to visit Down in a week.

Wishes to visit Down.

Will order the first set of casts from Murray.

Thanks CD for a book for his wife from the Royal Society Library.

His brother [Alexander] is delighted at being referred to in CD’s work [Descent 1: 205].

Requests a copy of [Living] Cirripedia to send to his brother, Alexander, who is working in Naples and wishes to verify CD’s discovery of complementary males.

Thanks for Cirripedia. Sorry CD has had to buy the books.

Forwards Alexander Kovalevsky’s letter [7326] with the information on the vertebrate character of ascidian larvae.

Leaving England.

Asks CD to send four sheets [of Descent proofs].

Sofya Kovalevsky not admitted to University in Berlin.

Translating the four sheets CD sent. When will book [Descent] be printed?

Alexander [Kovalevsky] has gone to the Red Sea to study corals.

Will work on live Scalpellum at Naples in spring.

Bemoans England’s Prussian sympathies. Paris will fall without bombardment.

Progress on his Russian translation of Descent.

Alexander Kovalevsky is at Tor in Sinai, where C. G. Ehrenberg was in 1827.

Has CD seen Ernst Haeckel’s new book [Biologische Studien (1870–7)]?