Condolences on death of Charlotte Langton [née Wedgwood].

Is waiting to hear from Lord Tankerville [see 3339].

Has read CD’s Primula paper.

Regrets to hear that CD and family are victims to the influenza epidemic.

Has received a satisfactory answer from Lord Tankerville.

Is preparing a volume of his articles [Essays on scientific and other subjects (1862)], to one of which he would like to add a postscript referring to CD’s Origin [pp. 100–1]. Sends proposed postscript for CD’s approval.

Returns HH’s essay.

Suggests a change in the postscript [referred to in 3423].

Gives CD advice on the illness of one of his sons [presumably Horace].

Louis Pasteur’s memoir "is a very able and convincing one" ["Mémoire sur les corpuscles organisés qui existent dans l’atmosphère", Ann. Sci. Nat. (Zool.) 3d ser. 16 (1861): 5–98].

Thanks for Orchids.

Cites [C. F.?] Burdach as the source of a note on atavism in alternate generations.

Wants to talk to CD about inheritance.

Congratulations on the Copley Medal.

Thanks for congratulations on award of Copley Medal by the Royal Society.

Discusses his long period of ill health.

Thanks for Lythrum paper [Collected papers 2: 106–31].

T. S. Cobbold’s book on the Entozoa [1864].

Remarks on development of the tapeworm.

Thanks for "Climbing plants" [see 4861].

Has received a copy of an attack on CD ["Darwinian theory examined"] from the author, but does not know who it is.

Congratulations on George Darwin’s success at Cambridge.

Has still not discovered the author of "Darwinian theory examined".

Thanks for copy of Variation. Comments on it, especially on Pangenesis.

Sends CD a copy of a book he has had printed mainly for the interest of his children and grandchildren [later published as Recollections of past life (1872)].