Starlings seem to share their food. Are they communists as they struggle for their existence?

Describes movement of a caterpillar.

Heliotropism nomenclature. Apheliotropic mustard roots grow more quickly in dark. Measures growth with microscope as S. H. Vines did in mould. Studying air roots.

FD’s and Stahl’s negative opinion of Sachs.

Describes bean experiments. Will tell Emma Darwin to tell Elizabeth Darwin that he has written to the Riffel.

F. P. Cobbe called on EAD to present a letter from the Secretary of the Anti-Vivisection Society; she hoped CD might support limiting repetitions of experiments.

Pressure paralyses the streaming of protoplasm in the hairs of Tradescantia.

Points to CD’s favourable notice of his anthropological work;

details current financial difficulties and work efforts. Asks to borrow £5.

Has written to Col. J. L. Chester [genealogist] to ask whether he would like to see the deeds [for Darwin genealogy, see Emma Darwin 2: 237].

Has received printed sheets from CD. Hopes CD does not intend to delete anything. EK comments on value of his own sketch for Erasmus Darwin.

Hopes CD can excuse article he wrote in response to a review of Grant Allen’s book [The colour-sense (1879)].

Does not believe that deeds will throw light on the first William Darwin and his ancestors, but they will have much of interest for CD’s researches [for Erasmus Darwin].

Is gratified if he has helped [with Erasmus Darwin].

Thanks for another consignment of family records.

Suggests revisions in proofs of Erasmus Darwin.

[Letter wrongly dated Nov by LD.]

Thanks CD for comments on Freie Wissenschaft und freie Lehre [1878].

Describes work on Medusae.

Describes work on Challenger Radiolaria and publication plans.

Sorry to hear Henrietta’s opinion of the [Erasmus Darwin] proofs. GHD did not think it dull. He makes some suggestions.

Reports finding a wood pigeon’s nest on the ground, though woods are nearby.

Thanks CD for sending volumes of Dr Erasmus Darwin’s works. Hopes to finish Krause’s MS in a fortnight.

Rejects proposal that CD’s sketch appear as a supplement or appendix to his own. Offers alternative suggestions. Proposes title-page for German edition of Erasmus Darwin.

CD has been elected to the Naturforschende Gesellschaft, Halle. Asks for a photograph. Encloses diploma.

CH, a chemist interested in zoology, asks CD’s opinion of research programme described on enclosed memorandum. Programme involves investigation of ability of molluscs to build shells out of other carbon compounds in absence of calcium carbonate.

Sends CD his collection of Homeric epithets on motion, which "indicate ideas of motion more precise and scientifically adjusted than … any other author".

Sends CD his article on causes of decline of Hawaiian population.