Returns some of WBT’s skulls.

His MS is with printer, but book [Variation] will probably not be out until November.

Returns WBT’s box of skulls. One or two skulls may be elsewhere, but CD does not have the strength to search for them.

Asks whether WBT can carry out poultry mating experiments for him.

Believes beauty of male bird important for attracting mate in wild. Will be interested to hear how a dyed male pigeon is received by the hens.

Sends the revisions in the latest edition of Origin.

Thanks WBT for proofs of his new book [Pigeons (1868)].

Hopes he still intends to try the experiment with dyed pigeons.

Was surprised to hear of B. P. Brent’s death.

Wants information on sex ratios in domestic animals. Can WBT help?

Is much obliged that WBT will undertake tabulation of sex ratios in racehorses, greyhounds, and cattle.

Thanks WBT for tabulation of sex ratios in racehorses.

Would like to meet with WBT while in London.

For experiment on effect of male beauty, pigeons should be coloured on the breast.

Likes WBT’s review [of Variation] in the Field [31 (1868): 309, 350].

Awaits remarks on coloured pigeons and proportion of sexes.

Inquires about the colour of first plumage of poultry breeds and development of distinguishing features.

Inquires about plumage of poultry breeds.

Would like information on the first plumage of poultry.

Repeats request for information on colours of plumage of poultry breeds and asks for WBT’s facts on proportions of sexes.

Inquires about colour and development of plumage of poultry breeds. Is endeavouring to trace sexual differences throughout the animal kingdom.

Wants information on plumage of chickens

and table of sex ratios in greyhounds.

Thanks for greyhound table; interested in transmission of colour in greyhounds and relationship to sex.

Thanks for procuring eggs.

CD’s health has necessitated his leaving home.