Summary

Sends Variation and would like to hear what FM thinks of Pangenesis.

Thanks for information on expression.

Dimorphic plants;

differences in seed production in cross- and self-fertilised plants.

Summary

Is working on sexual selection and is interested in any anomalous sex ratios in lower animals and any sex-related characters.

Summary

CD arranging for a translation of FM’s Für Darwin by W. S. Dallas.

Summary

Movement in plants.

Dimorphism.

Would welcome FM’s opinion of Pangenesis.

Summary

Is glad FM approves of a translation of Für Darwin.

Hopes FM will think well of Pangenesis.

Sexual differences in insect auditory and stridulating organs.

Read FM’s paper on Balanus with great interest ["On Balanus armatus", Ann. & Mag. Nat. Hist. 4th ser. 1 (1868): 393–412].

Summary

FM’s additions for English edition [1869] of Für Darwin.

Dimorphic plants.

Summary

Delay in translating Für Darwin.

Comments on plan to repeat CD’s experiments on illegitimate offspring.

FM’s observations on stridulation.

Summary

Translation of Für Darwin has been published [Facts and arguments for Darwin (1869)].

Discusses dimorphic plants, commenting on FM’s observations on Oxalis.

Is greatly interested in Eschscholzia, which seems somewhat more self-sterile in Brazil than in England.

Thinks FM’s grass is "most wonderful".

Summary

On English edition of Für Darwin; CD’s gratitude and admiration.

Summary

Reports reviews of Facts and arguments for Darwin [1869].

Is preparing for a French translation of Orchids.

The case of Abutilon which is sterile with some individuals is remarkable.

Has sent FM’s account of the monstrous Begonia to the Linnean Society.

Summary

Wants observations on a Papilio to see whether ticking noise is confined to one sex.

Experiments on self-sterility.

Will send copy of his orchid paper ["Fertilisation of orchids", Collected papers 2: 138–56].

Eschscholzia when self-fertilised, produced pods.

Summary

Role of humming-birds in plant fertilisation.

Alexander Agassiz has visited Down.

Sales of Facts and arguments for Darwin.

Encloses copy of T. H. Farrer letter [7015] and observations on the self-sterility of Eschscholzia.

Summary

Crossing experiments and self-sterility [in Eschscholzia].

Pangenesis.

Hermann Müller on insect adaptations for fertilisation of flowers.

CD working on book on man and sexual selection.

Summary

Mimicry in Lepidoptera.

Sexual selection.

The Franco-Prussian war.

Summary

Opinions on Descent.

Sexual selection and mimicry in Lepidoptera; sexual selection as an aid to protective imitation.

Summary

Seedling vigour resulting from crossing of parents.

CD to publish work on insectivorous plants.

Summary

Thanks for two pamphlets.

Sends Thomas Belt’s [The naturalist in Nicaragua (1874)], "the best Nat. Hist. book of travels ever published".

Summary

Has sent FM’s letter on termites to Nature ["Habits of various insects", Nature 10 (1874): 102–3].

Would be interested in observations on the stingless bees of Brazil.