Summary

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

Summary

Thanks JVC for his information (from two correspondents) on the rate of growth of merino rams’ horns.

CD has been revising Origin [5th ed.]. Has found a good deal to alter.

Summary

Consoling to CD that JC gives "a little more age to the world".

Cites article by Henry Moseley ["On the mechanical possibility of the descent of glaciers", Proc. R. Soc. Lond. 17 (1869): 202–8].

Mentions article by A. R. Clarke on shape of the globe.

Summary

Asks for DF’s observations on the Aymara Indians for use in writing manuscript [see Descent, 2d ed., pp. 34–5].

Summary

Honoured to be mentioned with Alexander von Humboldt, who was an inspiration to him.

Summary

Asks whether JL would be prepared to sign a petition on behalf of Miss Eliza Meteyard who is seeking a civil list pension.

Summary

CD signed the petition, had Sir Charles Lyell do so also, and then forwarded the memorial to Sir John Lubbock.

Summary

Thanks JJM for translating long paper [by Carrière, J. Agric. Pratique 48 (1869): 159–67]. Paper interesting especially for showing variation has been different under different conditions.

Summary

Agrees to printing 1000 copies of Fritz Müller’s Facts and arguments for Darwin though he fears it is foolish. Lists seven publications for review copies.

Summary

Thanks JC for his proofs of article on the movement of glaciers.

Summary

Discusses method for shipping Drosophyllum specimens.

Asks about inheritance in tailless dogs;

the growth of horns in merino sheep.

Summary

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

Summary

Thanks for publication applying CD’s theory to moral and social questions.

Summary

Thanks TRRS for copy of his lecture [Darwinism (1869)]. Praises his "admirable example of liberality".

Summary

Reception of ARW’s book, Malay Archipelago.

Summary

Thanks TCE for fawn’s head.

Summary

Wishes to introduce his son, George Howard Darwin.

Has glanced at the second of AdeQ’s articles on natural history in Revue de deux mondes; ordered first article but second is already out of print.

Summary

Transmits letter [from Fritz Müller].

Has been asked to permit a French translation of Orchids and Journal of researches.

At work on sexual selection.

Summary

Suggests best form of lettering for spine of Müller’s Facts and arguments for Darwin.

Summary

At writer’s request, forwards long letter on Comte by Vernon Lushington.