On birds erecting feathers.
Comments on production of buds in Cytisus.
Discusses case of rabbit-breeding which affected subsequent progeny of female.
Showing 61–72 of 72 items
The Charles Darwin Collection
The Darwin Correspondence Project is publishing letters written by and to the naturalist Charles Darwin (1809–1882). Complete transcripts of letters are being made available through the Project’s website (www.darwinproject.ac.uk) after publication in the ongoing print edition of The Correspondence of Charles Darwin (Cambridge University Press 1985–). Metadata and summaries of all known letters (c. 15,000) appear in Ɛpsilon, and the full texts of available letters can also be searched, with links to the full texts.
On birds erecting feathers.
Comments on production of buds in Cytisus.
Discusses case of rabbit-breeding which affected subsequent progeny of female.
On mutations in rabbits.
Cytisus case is not a double graft.
Aggressive behaviour of birds of prey.
Cannot accept JJW’s invitation to a party. His health has been worse than usual for some months – can see no one nor can he go anywhere.
Is preparing a cheap edition of the Origin [6th] and will answer Mivart’s objections.
CD is pleased JJW likes C. Wright’s "Darwinism" [see 7940]. Huxley will publish a splendid review of it in Contemporary Review [Nov 1871].
"Like you I have often wondered at the different food of the old and young, as with graminivorous birds feeding their young with insects."
Recommends forthcoming book by John Lubbock [Monograph of the Collembola and Thysanura (1873)].
Not surprised incipient disease in female would make her unattractive to male.
Sorry JJW’s official duties are so heavy.
On variegated leaves; a feature not inherited consistently.
Thanks for new case.
Not very well.
Hostility of birds toward others with same colour;
nuptial plumage.
Spiza cyanea and Spiza ciris.
JJW is quite at liberty to use CD’s name as patron of cat show.
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.
Hybrid Motacilla.
Case of female duck leaving mate to pair with male of another species.
August Weismann is interested in JJW’s experiments on birds and the caterpillars they eat.