Identifies Calanthe masuca.

Asa Gray would not quarrel with them – "snubbing from us may have done him more good than our sympathy".

If CD means the old Vaucher, he was considered a very accurate, acute, able observer.

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

Variations are centrifugal because the chances are a million to one that identity of form once lost will return.

In the human race, we find no reversion "that would lead us to confound a man with his ancestors".

CD can add revisions since he cannot begin work on 2d German ed. of Origin until May.

Schweizerbart wants to publish translation of Orchids. Asks for woodcuts for illustrations.

Has been reading J. D. Morell’s new book on psychology [An introduction to mental philosophy, on the inductive method (1862)].

Progress of the Civil War.

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].

Will hope to be able to send Vanilla flowers in a day or two.

How is CD after his tremendous effect on the placid Linneans? ["Sexual forms of Catasetum", Collected papers 2: 63–70; read 3 Apr 1862.]

Cannot accept invitation at present.

Is sending a wild honeycomb from Timor.

Has several specimens illustrating dimorphism in insects that he would be happy to leave where CD could examine them.

Discusses the ant genera Formica and Atta, and the origin of the two forms of workers commonly found in the species of these genera.

Suggests CD use a tabular form for Army doctors to write their observations on, and suggests it be limited to malaria, yellow fever, and dysentery.

Now believes flowers of Fumariaceae must be self-fertilised.

Planning a piece on dimorphism in the Natural History Review ["On the two forms, or dimorphic condition, in the species of Primula … by Charles Darwin", n.s. 2 (1862): 235–43].

Observations on Campanula dimorphism.

AM did not borrow a Samuel Scudder pamphlet from CD; in fact he was not aware of its existence.

Is it convenient for him and Willy to come to Down from Thursday to Sunday?

JL is going on a geological excursion with Joseph Prestwich and John Evans.

Accepts CD’s invitation.

Certain there are three forms of Primula sinensis.

Distinguishes two kinds of floral dimorphism: that affecting sexual organs and that affecting outer envelopes.

Sends letter via his brother visiting England. Awaits continuation of CD’s "wonderful book", which excites much interest.

Comments on Civil War which he expects will end slavery.

The Director-General of the Army Medical Department [J. B. Gibson] agrees to have CD’s circular distributed to Army surgeons in India and the West Indies, with reply being voluntary. [See Descent 1: 244–5 n.]

Their views on transformism differ a great deal, as CD says, but perhaps not as much as CD thinks. Sending his [Physiologie comparée: métamorphoses de l’homme et des animaux (1862)].