No summary available.

Outlines his theory to explain the form of certain Swedish sandhills and puts forward his ideas regarding the geological history of the earth.

Sends thanks to the Masters for congratulations on his birthday, saying "the approbation & sympathy of one’s fellow-workers in the acquisition of knowledge is the highest possible reward which any man ought to desire".

Second request that CD sign a Cambridge memorial [i.e., petition]. The heading has been amended to include graduates who have formerly studied medicine.

No summary available.

Thanks for having sent prehistoric remains.

Thanks JT for his information. Sends £50 to the W. K. Clifford memorial fund.

No summary available.

No summary available.

Requests testimonial from CD for position of Assistant Keeper, Zoological Dept, British Museum.

Are tropical fruit on the whole more or less coloured than those in the temperate zone - is proportion of red, yellow, black & white fruit, & those which are green or brown greater in the tropical or the temperate flora? [is thinking of wild fruit only here] - has anyone written on the subject? - would be important one way or the other to the question of the colour sense in animals and sexual selection as discussed in Grant Allen's clever book on the Colour Sense which ARW is writing a review of. Has heard nothing about "Epping Forest" - Sir Arthur Hobhouse - article by ARW on Epping Forest - "Epping Forest, and how best to deal with it", Fortnightly Review 24, 628-45 (1 Nov 1878)].

Since he was innocent of sending the Botanische Zeitung to CD, he inquired of the editor, who informs him that it is sent every week by post by order of Williams and Norgate.

No summary available.

"I do not know whether the enclosed will be of any use to you.– I can say nothing of your fitness for the desired office, as I know nothing whatever of its duties.

I am sincerely sorry to hear of Mr F. Smith’s death."

No summary available.

Read GA’s book [The colour-sense] with "great interest". Makes criticisms and suggestions.

Cannot believe in GA’s theory of the origin of pleasure and pain.

Is glad he defends sexual selection;

CD finds A. R. Wallace’s explanations "mere empty words" and for many years he has "quite doubted [ARW’s] scientific judgment".

Considers the possible effect of environmental colour on the colour tastes of animals.

Thanks for criticisms of Colour-sense.

Clarifies his views that actions desirable for species result in development of nervous organs capable of pleasurable stimulation.

Believes that all "tastes" occurring in nature are explicable with reference to ancestral habits and that none is purely arbitrary.

Letter of recommendation for Richard Bowdler Sharpe, ornithologist.

Circular about the distribution of the overplus of his income and advice on investment.

Is increasing FD’s allowance.

Has begun his chapter on sleep of plants [for Movement in plants].