Sends German edition of Descent, vol. 1. Expects good sale. Hopes CD will offer him additional books to publish.

Objects to the negative reviews of Descent, notably in the Athenæum and the Times.

The exceptions are the Academy, Nature, and his own, in the Field [37 (1871): 210].

Answers to questions about expression.

Is sending notes on blushing. Offers information on physiology and pathology of blushing.

Has sent photograph of seven imbeciles in one family.

Raises two points on CD’s view, in Descent [2: 229], on how aquatic birds acquire white plumage.

Also remarks on effect of will in certain human modifications,

on colour-blindness in his children,

and on ability to move his ears.

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.