Summary

Replies to CD’s query on expression of emotions.

Summary

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

Summary

Sends some questions on secondary sexual differences of fishes [missing], which he hopes AG will look over.

Invites AG to come to Down.

Encloses queries on sexual differences and nest-building habits of fish.

Summary

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.

Summary

Trip with Huxley was perfect.

At Torquay later he had a lecture on "Kent’s hole" from Joseph Pengelly.

George Bentham acknowledges himself unreservedly a convert to Darwinism. Many will still cling to a "rag of protection, but will eventually haul it down".

A. Murray’s later parts better than first [? Geographical distribution of mammals (1866)].

Wallace’s paper shows great ability.

Disgusted with [Duke of Argyll’s] Reign of law.

His depression and exhaustion.

Summary

Answers CD’s queries on sexual characters and differences among the Urodela.

Is interested in the relationship of pectoral and pelvic limbs in man and apes and has looked at reptiles and amphibians to find traces of the earlier conditions of the limbs.

Asks whether CD knows any instances of deformities or pathological conditions occurring simultaneously in both sets of limbs.

Summary

Will obtain information on sheep.

Summary

Comments on DP’s paper on man ["Transmutation of man according to the Darwinian theory" (n.d.)].

Summary

Inquires about plumage of poultry breeds.

Summary

Describes change of plumage in chickens in order to be sure he is clear about the age of chickens on which CD wants information. Encloses feathers to illustrate changes.

Summary

Refers to letter from John Wright offering to help CD on his queries about deerhounds and sexual preferences.

More details about a terrier bitch previously referred to [letter missing].

Summary

Did not know of complex change of plumage. From WBT’s letter, CD thinks six weeks to two months old is the best period. Sends details of breeds and other particulars.