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Asks whether enclosure [missing] has the correct title of Insectivorous plants.
AD is aware of revolutionary character of his pamphlet [Ursprung der Wirbelthiere]. Authorities will not agree with him. Carl Gegenbaur and Ernst Haeckel are opposed. Younger biologists are disposed to accept his views. All he can expect is to put a stop to "the Amphioxus–Ascidian affair, and to open a road for speculation and for investigation on the side of the Annelid-homology".
Sends a copy of the draft vivisection bill [see 9933] and hopes that it may be approved of and supported by the Government.
Proofs arrived and Francis is correcting them. Tells Emma Darwin that Amy is delighted about the azaleas. The Ruck family very much like Isabella Bird’s Six months in the Sandwich Islands.
Will send corrected proofs [of Insectivorous plants].
JM proposes to print 1000 copies [of Insectivorous plants].
Comments on AW’s work [Studien zur Descendenz-Theorie, vol. 1 (1875)].
On seasonal dimorphism in Lepidoptera in relation to sexual selection.
Discusses evolutionary reversion.
Comments on birds’ avoiding brightly coloured caterpillars. Offers references on subject.
Alpheus Hyatt says Franz Hilgendorf mistaken [about Planorbis multiformis].
Quotes from letter from J. J. Weir on birds’ rejection of brightly-coloured caterpillars.
JM agrees to raise number of first printing [of Insectivorous plants] to 1250 if CD will wait for his share of profits until sales reach 750 or 800.