Gratified that CD approves his analysis of CD’s views of moral sense. Does not think there is a fundamental difference between J. S. Mill (Utilitarianism [1863], p. 45) and CD.

His view of those who object to CD’s "new doctrine of the moral sense".

Man’s spiritual life separates him from other animals.

Why are moths attracted, often fatally, to lights?

Thanks for copy of Descent.

Has had Hinrich Nitsche’s pointed ear photographed. Nitsche also has photographed the ear of a foetal orang. [See Descent 1: 21–3.]

On Hottentots’ blushing.

Gives case of a baboon’s revenge. [See Descent, 2d ed. (1874), p. 69.]

Sends CD photographs of his atavistic ears and ears of a foetal orang in the collection of the Zoological Museum, Leipzig.

Comments on notes by JC-B on relation between blushing and mental disturbance. Asks for further information about blushing. "The single pencil line down this MS is my mark that I have used it once."

Thanks for "dreadful photo of the imbeciles".

Movement of hair; action of occipito-frontalis muscle.

Thanks for contribution to fund for his brother’s widow.

Thanks CD for thinking of his speculation.

Has made a note of the paper mentioned by CD.

Obliged for letter about dog.

Comments on HH’s article ["Zur Geschlechtsbestimmung", Bot. Ztg. 29 (1871): 81–9, 97–109].

Anecdote of bear reasoning [see Descent, 2d ed., p. 76].

Similarity of forms of ornamentation and implements in widely separate races and ages [Descent 1: 233].

Replies to CD’s letter;

inquires about CD’s intended terms for Italian translator of Descent; hopes to offer best terms herself.

Case of the reasoning bear is analogous to the elephant blowing with trunk to bring object within reach.

On reception of Descent in Edinburgh.

Anecdote about a dog helping another by separating combatants.

On ratios of the sexes in insects, and other facts relating to sexual selection.

Please thank Mr Jackson for facts about shrugging, but case not distinct enough. Gestures associated with laughter. Platysma.

Feels their conflict lies in the field of philosophy rather than in that of physical science. Regrets that they differ so widely.

John Murray has commissioned him to redraw two birds. Hopes to re-do all of the birds taken from Brehm’s Thierleben.

WBT’s beard exceptional in that it is darker than his hair [see Descent 2: 319].

Upset to learn he has misrepresented CD’s doctrine on Pangenesis [in Proc. R. Soc. Lond. 19 (1871): 393–410]. Hopes that CD’s letter to Nature [3 (1871): 502–3; Collected papers 2: 165–7] will clarify the doctrine and attract attention to it.