On behaviour of birds when frightened and when threatening.
Purple Cytisus grafted onto yellow stock produces some yellow flowers.
Mutations in rabbits.
Cites case of variegated leaf form of one plant apparently spreading to a neighbour.
Showing 41–50 of 50 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 behaviour of birds when frightened and when threatening.
Purple Cytisus grafted onto yellow stock produces some yellow flowers.
Mutations in rabbits.
Cites case of variegated leaf form of one plant apparently spreading to a neighbour.
[William Rathbone] Greg is author [of "Failure of ""natural selection"" in the case of man", Fraser’s Magazine 78 (1868): 353–62].
Comments on findings in J. M. Duncan [Fecundity, fertility, sterility and allied topics (1866)].
Saw A. D. Bartlett about monkeys.
Encloses seeds from Fritz Müller, of a species of Passiflora, fertilised by a humble-bee.
Asks whether JDH can send seeds of Hibiscus africanus and of Nolana prostrata raised at Kew.
Draws CD’s attention to a paper in American Naturalist [3 (1869): 109] describing honey-bees killed by entanglement in pollen-masses of Asclepias.
On birds erecting feathers.
Comments on production of buds in Cytisus.
Discusses case of rabbit-breeding which affected subsequent progeny of female.
Has procured a Passiflora flower at last. Structure suited for humming-birds rather than bees.
Thanks WWR for information on the Nehro idea of beauty and other facts relating to expression.
Congratulates BJS on his K.C.B.
In autumn he will publish a book partly on man [Descent], which he expects "many will decry as very wicked".
Thinks the success of the Tierra del Fuego mission is wonderful.
No summary available.