Comments on Rodwell’s discussion of the “struggle for life” with reference to languages and G. H. Lewes’s article in the Cornhill Magazine (Lewes 1860, pp. 445–7). Comments on Rodwell’s account of horses affected by mildewed pasturage, and asks for more information about his white cat.

Comments on relationship between eye-colour and deafness in cats [discussed in Origin]. Asks for more information.

Mentions criticism of Origin.

Thanks for information about horses.

Hopes JMR writes his book on language. Mentions Hensleigh Wedgwood’s work [A dictionary of English etymology, 3 vols. (1859–65)].