Believes that the response of root tips to being "blinded" with foil is much more interesting than response to cauterisation.

Sir Robert Christison says Dr Darwin not the first to recommend alcohol for fever.

Wishes to call on THF to discuss the situation with regard to Horace Darwin [who wishes to marry THF’s daughter, Emma Cecilia (Ida)].

Discusses the movements of radicles. His observations show that sensitivity to touch resides in the root tip and he believes that sensitivity to gravity governing geotropic responses is also in the root tip. Would much like to convert Julius von Sachs to his ideas on radicle movement.

Sends an enclosure [a statement of CD’s finances and estimate of the inheritance his children may expect] for HD and Ida to read; CD very pleased to be able to leave his children comfortably provided for.

Thanks JP for his kindness, but unfortunately the [unspecified] case is of no use to him.

Last night had tremendous thunderstorm. Will ask Goebel about proshelismus. Describes experiments on beans. Please send Bessy’s address. Has got to know nice Englishman named Purdy and his wife. Bathes nearly every night with the Finlander.