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Too busy to answer his last letter until now. His theorem on perspective is pretty and easy. Quotes one he uses. Has been busy finding the proof that every algebraic equation has a root. Has been organ tuning. Comments on the method of tuning using beats.
Zebra-striped asses.
Markings of a Bengal jungle cock.
Refers to some of his own articles on birds in India.
Reports the arrival of the "glorious garrison of Lucknow". The "wonderful superiority of the European to the Asiatic" made the success of the insurrection inconceivable.
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Wishes to introduce an American friend, Professor Stephen Alexander, to JH.
Sorry that CB's nephew bothered JH with request for money from fund for CB's sister. Nephew must deal directly with Reversionary Interest Society. Recalls mutual vow of JH and CB forty years ago to pursue many intellectual endeavors.
Reports misplacement of letters of William Herschel after publication of extracts for The Times.
On papilionaceous flowers and CD’s theory that there are no eternal hermaphrodites. Connects this theory to absence of small-flowered legumes in New Zealand and the absence of small bees as pollinators.
Went to the show and saw EWVH’s birds.
Thinks he will give up his pigeons at the end of the summer.
Asks to borrow W. C. Hewitson’s book [British oology, 2 vols. (1831–44)].
CD is searching for reliable information on slight variations in the degree of perfection of nests of the same species of birds.
CD has never doubted probability of Bering Strait land connection.
Family illness.
Has received Burmese fowls’ skins from Walter Elliot.
Mrs Henslow’s death stirs reminiscences of happier days.
Asks WBC to plant some kidney beans [on Holy Island near Arran] and to see whether they are ever visited by bees. If no bees visit the island, it would be "curious" to observe what plants grow there.
Asks GB to vote for "a distant connexion of mine" at Athenaeum, and to mention this to Hooker.
Thanks WDF for information on blackbirds’ nests [see Natural selection, p. 505].
Problem of choosing from among the load of curious facts for chapter on "Instinct" [Natural selection, ch. 10; Origin, ch. 7] perplexes him.
Asks about behaviour of chicks in danger and whether crossed animals are wilder than either parent.
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No summary available.
No summary available.