No summary available.
No summary available.
Discusses an experiment, described by JH in JH's Familiar Lectures, involving applying colors to paper. FP finds that his results differ from JH's.
No summary available.
Sends his autograph.
Describes a supposed cross between a cow and a red deer or doe.
Sends news of his and Frank’s doings at Cambridge.
Thanks for the pamphlets; JL’s paper, "Primitive condition of man" [Nat. Hist. Rev. n.s. 6 (1868): 328].
Asks GHD to look in William Thomson’s book [W. Thomson and P. G. Tait, Treatise on natural philosophy, vol. 1 (1867)] to see how many million years ago Thomson says earth’s crust solidified. CD is troubled by "brevity of the world", because pre-Silurian creatures must have lived during endless ages "else my views wd be wrong, which is impossible – Q.E.D.".
Hybrid geese.
Proportions of sexes in sheep and cattle.
Pairing habits of crows.
To JH's knowledge, PS's Royal Mint position bore no absolute guarantee of permanence unless he had been paying a 'superannuation' fund.
Asks JH to look at a paper on musical scales; comments on a paper by A. Prazmosky on polarization of light from the solar corona.
Does not think the supposed cow–deer hybrid worth investigating.
John Robinson [the curate at Down] reported to be walking with girls at night.
Sends him a vocabulary of Aboriginal dialects and University calendar. The response to his questionnaire has been very disappointing.
On spurs in peacocks. [See Descent 1: 290 n.]
No summary available.
Asks JH to sign [C. P. B.] Walker's certificate for the R.S.L.
Thanks WDF for information about sheep and cattle.
Mentions corrections for new edition of Origin [5th ed. (1869)].
Thanks JH for reply to letter questioning color experiment in JH's Familiar Lectures. Will conduct the experiment that JH suggests in the book.
Will try to get more information about the supposed hybrid [of cow and deer].
The rumours about John Robinson [curate of Down] cause JBI concern. He will seek to get the facts – will try to protect Robinson against malicious rumours, but if he is immoral he must go forthwith.
Asks JH to review paper on blue color of sky, polarization of skylight, and polarization of light by cloudy matter.