Thanks for new case.
Not very well.
Showing 21–40 of 52 items
Thanks for new case.
Not very well.
Sorry JJW cannot visit.
Will go to sea-side for five weeks at end of July.
Does Vidua have double annual moult? [See Descent 2: 181.]
Invites JJW to visit Down. Will try to get A. R. Wallace and H. W. Bates also.
Enjoyed JJW’s visit.
Interested in changes in plumage of pheasants.
Still at work on sexual selection in birds.
Has no doubt he will find JJW’s address interesting.
Thinks same spot for nesting might prove attractive to birds, though they had had no intercommunication.
Yellow flowers occurring on a purple Cytisus grafted onto a yellow stock.
Yellow and purple flowers occur on plant grafted with Cytisus purpureus, but only on separate racemes. Only yellow blooms seed.
Sends CD some of the Cytisus, which has produced yellow flowers on a purple graft.
Discusses mule’s resemblance to parents.
Reversion of tamed animals to wild behaviour.
Trusts his paper ["Apterous Lepidoptera" (1867), printed for the West Kent Natural History, Microscopical, and Photographic Society] showed that he is thoroughly a disciple of CD.
Cites evidence that birds undoubtedly distinguish colours. [see Descent 2: 110.]
Does not think females give preference to any males. Coloration, pugnacity; cases of use of colour in struggle for existence. [see Descent 1: 395.]
Various facts about birds: pairing, finding new mates, protective coloration, polygamy, sexual differences.
Courtship of goldfinches. Male display. [See Descent 2: 95.]
Sexual selection of pigeons, ducks;
polygamous birds.
Relates a variety of facts about sexual selection in birds. [See Descent 2: 104–5.]
Experiments to test Wallace’s theory that brightly coloured caterpillars are rejected by birds. [See Descent 1: 417.]
Proportions of sexes in birds as reported by bird-catchers.
George Rolleston’s son was born with a scar on his knee exactly where GR cut himself with a knife years before his marriage. Gives several other examples of inherited mutilation.
Instinct in birds; nest-building.
Inheritance of acquired characters.