Asks to be sent Dr Frank’s Die Natur: wagerechte Richtung von Pflanzentheilen.
Asks if CD agrees with Carl Claus’s Grundzüge der Zoologie [3d ed. (1876)], in separating tunicates from molluscs.
[Draft of letter for Francis Darwin to write to SF.] CD declines to express an opinion on SF’s query.
Sends notes made in June 1867, on Rhamnus catharticus and R. lanceolatus. Encloses diagrams and measurements relating to pollen size in R. lanceolatus.
Has signed certificates.
Edwin Ray Lankester wants to reprint FD’s paper ‘Food bodies’ in the Quarterly Journal of Microscopical Science.
Returns E. Haeckel’s Perigenesis [der Plastidule (1876)]. EH’s "plastidules" do not differ from Spencer’s "physiological units". Does not see that biology gains anything from EH’s theory.
Discusses an experiment.
His dogs appear to have rabies.
Writes of his admiration for CD and requests an autograph or photo.
Asks specific questions on looking after plants of Dionaea. [The correspondent’s replies to the questions are written beneath them.]
Notes and extracts relating to "bloom".
Asks FD to mollify Daniel Oliver and assure him that CD asks "only for what I wd. give my life’s blood for".
Action of heavy rain on the leaves of Robinia.
Wants Francis [Rhodes] Darwin’s address; also asks if CD has heard "the great news".
Asks WED to make some observations on Acacia or Robinia.
The extract from Ticknor [see 10722] is one of the most curious cases of inheritance CD has met with. He has sent it to Francis Galton as CD is not likely to write on inheritance again.
Remarks on the difference between the sexes in Restionaceae and other subjects – occasioned by reading the introduction [to Forms of flowers].
Introduces his son Casimir, who is visiting England.
Asks for Tom. 23 of the Bulletin de la Soc. Bot. de France to be purchased for him.
Reports on his work. Relationships of shells found at Steinheim; attempts to elucidate the genesis of different forms.