Sends a copy of the draft vivisection bill [see 9933] and hopes that it may be approved of and supported by the Government.

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.

Regrets he cannot attend proposed meeting [on vivisection]. Hopes legislation may be passed limiting vivisection while not interfering with the progress of physiology.

Proposes that TFB visit in about a week; at present CD is unwell.

Discusses Vivisection Bill.

CD has misplaced the annual audited balance sheet for the Down Friendly Society and wonders whether he has sent it to his correspondent in error.

Thanks FFH for his note and enclosure [see 9982]. Quotes from Le Couteur [On … wheat (1836)?] to justify statements made in Variation [1868].

CD believes Playfair’s bill would not restrict demonstrations under anaesthetic.

Discusses the price to be charged to Appleton’s for the plates of Insectivorous plants.