Variability of certain features within insect genera.
Variability of certain features within insect genera.
Discusses arthropod structure and the nature of the corium.
Discusses shipment of skins of carrier pigeons.
Has received nine skins from Walter Elliot of Madras; WBT may describe them if he wishes.
Expects some Persian fowls.
Can WBT inquire about the fertility of certain duck hybrids?
Outlines the ranges of northern U. S. species common to Europe. Hopes to investigate the resemblances between the floras of the north-eastern U. S. and western Europe. Discusses routes by which alpine plants appear to have reached U. S.
Thought that the book presented by JH had come from Algernon Percy (4th Duke of Northumberland); regrets the error.
No summary available.
No summary available.
Hopes his health is improving as his own is. Saw Henry Warburton last week. Gives one of his own theorems. Sends a lecture on the decimal coinage.
No summary available.
JDH approves MS section on geographical distribution.
Never felt so shaky about species before.
His objections to some mechanisms of distribution that CD proposes.
Needs more time for reviewing Pole's paper [see JH's 1856-10-12].
Illnesses of Mrs Horner and Emma Darwin.
Death of Sarah Elizabeth Wedgwood.
Mentions work on his "Big Book" [Natural selection].
Remarks on J. A. H. de Bosquet’s discovery of a Chthamalus in the Chalk.
Greatly interested in CD’s experiments with seeds in salt water [see "Action of sea-water on seeds", Collected papers 1: 264–73]. Believes CD exaggerates the force of the objection, against migration, that seeds tend to sink.
CD relieved by JDH’s positive response to his MS.
CD continues observations on means of transport.
JDH’s Raoul Island paper [J. Linn. Soc. Lond. (Bot.) 22 (1857): 133–41], showing continuity of vegetation with New Zealand, best evidence yet of continental extension.
Comments on the state of JH's health, color blindness, missing R.A.S. Notices, and decimal coinage.
Gives particulars of his vision, which WP characterizes as di-chromic. Recounts experiments with red glass sent by JH to WP. Offers to visit if JH wants personal interview.
Pleased to hear his health is improving, but he should rest in the morning. Thinks it will be a long time before the decimal coinage can be introduced. Comments on cooking in the next century. Has been looking at a 10" bar of aluminum, which [Thomas?] Graham has sent him.
Describes the funeral of Aunt Sarah [Elizabeth Wedgwood].
No summary available.