Offers to exchange a water-colour portrait of CD, done, he believes, by Fanny Biddulph, for a copy of Descent.

There has been a decrease of game-birds in the area.

Asks that recipient forward the enclosed message from Dr Hoffmann [August Wilhelm von Hofmann?] which involves an invitation from Berlin Chemical Society to join a committee for a statue in memory of Justus Liebig.

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

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.

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)].

Has no doubt he will find JJW’s address interesting.

Thinks same spot for nesting might prove attractive to birds, though they had had no intercommunication.