Comments on 5th edition of the Origin [1869];

preparation of second edition of Natürliche Schöpfungsgeschichte [1870].

The reception of CD’s theory. Mentions support of Pieter Harting and Michael Sars.

EH’s research on calcareous sponges and plans to publish monograph on them.

Asks for reference to Louis Agassiz’s views on embryos indicating ancestral structures.

Observations on expression and colour of beard and hair in natives of India.

Observations on flies visiting Epipactis.

Introduces his son Alexander; believes CD will find him "more tractable" on certain questions than LA himself is.

WO very gratified by CD’s complimentary remarks on his Salvia article.

Asks for a testimonial.

Drosophyllum lusitanicum.

Believes principle of natural selection can be more widely applied.

Flower structure of Geranium.

Bees visiting Epipactis.

Gives information on the proportions of sexes of certain moths. [See Descent 1: 313.]

Has already referred Haeckel’s request to J. S. Bowerbank.

Has lost track of collectors and naturalists "by grace of the dredge" because of other work and ""the great question of "Darwinismus" which is such a worry to us all"".

Family health.

On the genealogy of the horse.

On reading F. Müller’s Facts and arguments for Darwin [1869].

Pangenesis.

Agrees with CD on fascination [of snakes].

Huxley is at Comte again.

Sends notes on lack of variation in seedlings of trees and shrubs

and on climbers changing their character with age.

Has been asked by Henry Powell [new vicar of Down] for help to build a house at Down; asks for CD’s advice.

Sends C. M. Browne’s notes on transmission of colour in greyhounds [see Variation, 2d ed., 2: 40]

and a letter from Major Holland.

WBT to visit America.

Wants to know whether CD is related to Edward Darwin, who married a French woman in 1823.

Cannot help CD with his request for calcareous sponges.

Acclimatisation of potatoes by selection.

Progressing with translation of new footnotes for Orchids. Asks for help with a few words.