Discusses phases of climate.

Describes fossil mammals discovered by Auguste Bravard in South America.

Has had argument with Bishop of Oxford [Samuel Wilberforce] about CD’s book [Origin].

Discusses review in Annals and Magazine of Natural History. Guesses that T. V. Wollaston is the author.

Discusses evidence of shells on Madeira.

Comments on paper by Wallace ["On the zoological geography of the Malay Archipelago", J. Proc. Linn. Soc. Lond. (Zool.) 4 (1860): 172–84].

Suggests references in Journal of researches 2d ed. in response to a query about the antiquity of man. Perplexed about S. S. Haldeman and Haldeman 1843–4. Glad to hear about A. C. Ramsay. Has received letter from H. G. Bronn.