Compares sense of smell in dogs and cats.

Responds to AN’s observations on sense of smell in cats and dogs.

Sends £10 subscription for James Murie.

An admirer sends clipping from Bremen newspaper on hybrid between orange and lemon.

Describes his critique of natural selection [Die Lehre Darwins kritisch betrachtet (1871)].

Gives some information on variation of ocelli between sexes in butterfly species.

Proposes publishing a series of papers on mimicry.

H. W. Bates says CD is in town. WWR would like to call.

Thanks RM for note on ocelli.

Discusses expression among the Chinese. Reports certain physical characters and the practice of certain unusual customs.

Thanks for Indian [Medical] Gazette. Comments on article.

Has read several of CD’s books; is curious about his remarks on "movements which are no longer useful but still inherited". Asks CD’s opinion on why people still swing arms with opposite leg in walking.

Thanks CD for photograph – sends one in return,

questions CD on his religious views.

On ocelli and relation to sexual selection;

instance of rejection of male by female butterfly.

Reports that he has not received JSBS’s book on histology and physiology [Sanderson ed., Handbook for the physiological laboratory (1873)], which Edward Emmanuel Klein told CD’s son was to be sent. He asks for information so that he may thank Dr Klein. [Klein and Michael Foster were co-authors with JSBS.]

He has returned the Gazette to Dr T. L. Brunton. [See 8825.]

Advertising a testimonial for James Murie.

Pleased CD enjoyed his book [Outdoor papers (1871)].

Rejoices at CD’s kindly feelings toward the coloured race.

The Index is in financial trouble due to F. E. Abbot’s unworldliness.

Agassiz is setting up a summer school for natural history off the Massachusetts coast. His pupils develop more liberal scientific opinions than Agassiz’s.

Encloses some notes on expression.

Asks whether the Litchfields may call on her. "My wife complains that she has been very badly treated and that I ought to have asked permission for her to call on you with me when we next come to London: but I tell her that I still have some shreds of modesty."

The Leweses will be happy to see the Litchfields, and hope CD will come again, with Emma.

Fears [CD’s] albumen theory will not work because albumen is coagulated and filtered out in making extracts of belladonna, hyoscyamine, and colchicine [alkaloid poisons].

Has investigated whether it makes a difference if extracts [of alkaloid poisons] are made from leaves, seeds, or roots.