Reports on paper [R.S.P.T., 159,. 575-] by [Thomas] Andrews on continuity of gaseous and liquid states of matter, believing it fit for publication.
Reports on paper [R.S.P.T., 159,. 575-] by [Thomas] Andrews on continuity of gaseous and liquid states of matter, believing it fit for publication.
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.
Appends an eight-year list of lambs for CD’s private information.
On the genealogy of the horse.
No summary available.
Ernst Haeckel is working on calcareous sponges. Does AH have any British specimens that he can spare? [See 6842.]
On reading F. Müller’s Facts and arguments for Darwin [1869].
Pangenesis.
Agrees with CD on fascination [of snakes].
Huxley is at Comte again.
Discusses need for cross-fertilisation in Geranium.
Hooker begins to doubt whether Drosophyllum so closely allied to Drosera.
Reports reviews of Facts and arguments for Darwin [1869].
Is preparing for a French translation of Orchids.
The case of Abutilon which is sterile with some individuals is remarkable.
Has sent FM’s account of the monstrous Begonia to the Linnean Society.
Sends notes on lack of variation in seedlings of trees and shrubs
and on climbers changing their character with age.
Note to accompany an extract from JH's son John's letter, reporting on his observations of solar prominences.
Admits that he had disobeyed his instructions and dispatched a box of bones to him by rail. Gives an account of the discovery of the bones at Perth y Chwaril on the Rhagatt estate. He has promised Miss Lloyd to obtain from WBD the English names of the principal bones.
More on the problem of the increase of elephants (see 6806f and 6820).
Extended comments on John Herschel's [JH's son] observations of the spectrum of the solar corona.
Has been asked by Henry Powell [new vicar of Down] for help to build a house at Down; asks for CD’s advice.
Responds to questions about sex ratios at birth and mortality in either sheep or cattle.
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.
No summary available.
Further queries on poultry plumage.
WBT’s visit to America.