Thanks for presentation copy of Descent.

Mivart’s Genesis of species [1871] is poor.

Mathematical illustrations of Pangenesis at Cambridge.

Wallace’s address on Madeira not convincing ["The President’s Address", Trans. R. Entomol. Soc. Lond. (1870): xliv–lxix; A. R. Wallace, Studies scientific and social (1900) 1: 250–66].

Thanks for Descent.

Offers photo of patient with a second small milk-giving nipple on one breast, and of man with bristles on his ears, which come somewhat to a point.

Sends corrections for French edition of Descent.

Thanks for new book [Descent].

Has just received copy of CD’s work [Descent].

Can corroborate artificial compression of skull practised by Indians.

May have to modify his earlier published opinions on CD’s views.

A second edition [issue] of Descent may be needed in short time; preparations should be made, and corrections sent to Clowes. Wallace, Mivart, and F. P. Cobbe have been sent copies of both volumes.

Thanks CD for sending his book [Descent].

Thanks for Descent; will forward any information he has after he has studied it.

Instance of inequality in left and right anal appendices of caddis-fly.

JC-B’s MS most useful.

P. Gratiolet’s observations on contraction and dilation of pupils of eye of a person in extreme terror. Has JC-B ever observed this? Expression has been his hobby-horse for 30 years.

Thanks HHHvZ for a memoir

and answers some queries;

mentions some corrections for his Dutch translation of Descent.

Various comments on Descent;

on suicide on Gold Coast;

on mulattoes’ not being prolific.

Thanks for presentation copy of Descent.

Thanks for the gift of the book [Descent].

Thanks for copy of Descent.

Thanks CD for copy of Descent.

Notes the death of Frank Parker [CD’s nephew].

Applauds CD’s expression of dissent from J. S. Mill’s view of differences of mental powers of men and women [Descent 2: 326–9]. Sends some corrections.

Descent publication costs, "including a heavy item of £126 for corrections" have been received. JM can now offer CD 600 guineas for the edition of 2500 copies.

Has devised a respirator for firemen by moistening cotton wool with glycerine and adding charcoal. JT suggests the nose with its hairs and mucus is a respirator that would give protection against diseases caused by floating particles. The presence of hair and mucus is thus explained by CD’s theory.

Thanks for the present of CD’s long-expected book [Descent].

Receipt for payment by John Murray of £630 for the first edition, consisting of 2500 copies, of Descent.