Has read Variation;

is preparing a monograph on Scotch deerhounds. Offers CD information on size of male and female deerhounds.

Might not the effect of human mother’s imagination on "character of offspring" support Pangenesis?

Measurements of the Bornean ape (Macacus inornatus, Gray). [See Descent 1: 151.]

Answers CD’s objection [see 6121 and 6146] about sexual differences and protective colouring. Summarises his theory of colour in nature.

No summary available.

BDW believes the coloration of species [of Anthocaris] provides a case of sexual selection.

The state of entomology in the U. S.; Darwinism now a common creed, especially among entomologists.

Reports another case of syndactylism.

Requests CD testimonial for Sherardian Professorship of Botany.

Proportion of sexes in ruffs [see Descent 1: 306].

Colour display in linnets, songbirds. Courtship display of Australian pigeon at zoo.

Replies to CD’s query on expression of emotions.

Thanks CD for testimonial.

Sends his notes on Florent Prévost’s reference to the habits of the cuckoo.

Answers CD’s queries on difference in size of male and female Scottish deerhounds; female preference for larger males; details about ratio of sexes born. Quotes from letter of Archibald McNeill on difference in size of male and female Scotch deerhounds.

Sends proofs of his fish paper.

Will observe modification of colour in fish.

Is studying the development of the axolotl.

Encloses notes in reply to CD’s queries on fishes.

Pairing habits of birds: polygamy among ducks and canaries.

Information on the proportion of sexes in fowls and other birds.

Asks CD’s permission to translate Variation into Italian [translation not published until 1876].

On false claims that female cattle can be produced at will.

Has often thought CD would find vast material for his ideas in study of entomology and Lepidoptera. His price-list of specimens proves only that collectors of Lepidoptera catch more males than females, not that there are more. He accounts for this by the less active habits of the females. [See Descent 1: 312.]

Asks function of several twisted parts (stem, petals, germen) in hardy orchids. His reading of Orchids makes him suspect that the parts are connected with fertilisation.

Raises a question about a statement in Orchids; his observations differ.

Replies to CD’s queries regarding sexual differences in gibbons’ voices, chameleon behaviour, and the occurrence of spurs in pheasants and peahens. Discusses sexual differences in structure and habit within certain bird species.