Sends results of his observations of cross- and self-fertilisation of Hypecoum grandiflorum and Eschscholzia californica [see Cross and self-fertilisation, pp. 331–2].

Thanks for ‘Die Schutzmittel des Pollens gegen die Nachtheile vorzeitiger Dislocation und gegen die Nachtheile vorzeitiger Befeuchtung’ (Preventive measures of pollen against damage by premature dislocation and moistening; Kerner 1873) and several pamphlets.

Address moved by [William Jackson] Hooker and agreed at the Linnean Society anniversary meeting, congratulating Pleasance Smith on her 100th birthday.

Calls CD’s attention to the fact that Huxley’s view [in Lessons in elementary physiology (1866)] of lymphatic fluid as overflow from blood supports CD’s view of secretion of tears in Expression.

Thanks to CD his candidature for the Zoological Society has been entertained.

Observed a flamingo, at the Zoological Gardens, that vomited on a bustard in answer to the latter’s harsh cries.

Poa annua shows putative evidence of nectar secretion in grasses. He will continue observations as CD requests.

Collecting information about antecedents of eminent men of science. Sends questionnaire.

Comments about questionnaire CD completed for FG [for Galton’s English men of science (1874)].

Describes his early interest in collecting and his education.

Asks about determining the mean heights of two groups of men.

Wants a picture of CD for a book he is writing on the history of natural sciences.

He will keep the portrait of CD.

Light sense in dogs.

Thanks CD for completed questionnaire;

answers his query about determining mean heights of men.

Further comments on HM’s [Befruchtung der Blumen (1873)].