Comments on publication of his Atlas der Botanik [1878]. Discusses possible English edition. Draws CD’s attention to plates of Drosera in Atlas. Mentions contribution offered by Hermann Müller, and support by German professors of botany.

Would like to read Weismann’s essay on Daphnidae.

Fritz Müller’s paper on odours emitted by butterflies was read at last Entomological Society meeting.

Thinks it would be a good idea to give the typing machine to Karl Semper.

Thanks for permission to use CD’s observations on instinct. Would like to use CD’s MS chapter in preparing forthcoming book [Mental evolution in animals (1883)].

Comments on positive response to publication [of Atlas]. CD’s approval will help make an English edition possible. Rejects suggestion that CD should subscribe.

Thanks for permission to use CD’s MS chapter on instinct for forthcoming book.

Seeks CD’s support for W. C. M’Intosh, candidate for Chair in Natural History at Aberdeen.

Sends CD a copy of his book [Flowers; their origin, shapes, perfumes and colours (1878)].

Progress of experiments. Wants CD’s advice on best way to cross-fertilise his plants.

Sends a paper by Melchior Neumayr [‘Über unvermittelt auftretende Cephalopodentypen’, Jahrb. K.-K. Geol. Reichsanst. 28 (1878): 37–80].

Plans to marry soon.

Next year he will begin a practical course in geology to supplement his lectures.

Name of plant: Colocasia antiquorum, Schott. = Caladium esculentum, Hort. Vent.

Is frustrated to see, from a paragraph in Nature [18 (1878): 242], that Charles Lagrange has got hold of the same sort of ideas as he has.

Erasmus is unwell.

Sleep of Porlieria hygrometrica seems independent of light.

Will have lots of time for oats. W. F. P. Pfeffer’s point is that there is no growth in sleepers with joints. A. F. Batalin says there is a slight growth.

[Dated Saturday 28th by FD.]

The results of WHD’s long series of investigations of effects of steadily and slowly altered environment on putrefactive organisms "palpably demonstrate [CD’s] great doctrine".

Othniel Marsh of Yale would like to visit CD.

JDH details the subscription fund’s finances.

Has finished lecture for Royal Society on N. American plant distribution.

Reports results of crosses between the two forms of Viola tricolor: 1. Female small flower crossed with male large flower yields all small flowers (cleistogamous self-fertilisation suspected); 2. Male small flower crossed with female large yields intermediate flowers; 3. Large flower crossed with large flower yields self-sterility symptoms.

He has been talking to Julius von Sachs about sleeping plants that move with and without growth.

Sleep in Porlieria studied.

Oats begin germinating.

Has taken OCM to the photographer’s, and is sending photographs to be signed.