On polygamous birds and the pairing of birds. Late singing of males. [see Descent 2: 107.]
Showing 41–60 of 557 items
On polygamous birds and the pairing of birds. Late singing of males. [see Descent 2: 107.]
Preference of females for particular males certainly exists occasionally.
On the proportion of males to females in horses and in dogs.
Replies to CD on proportion of sexes in butterflies, coloration of moths, and courtship. Encloses copies of letters on these subjects between HTS, Henry Doubleday, and John Hellins.
On why it is said Indian elephants do not breed in captivity; mating habits of male so violent as to require restraint.
Asks CD what prompts dogs of all kinds to roll themselves in decayed animal matter; inherited habit or immediate gratification?
Thanks CD for letter of 3 Oct [missing] about LB’s publication.
Discusses arrangements for American edition of Variation.
Observations on apparently inherited instinct in a dog.
Has seen CD’s "carte" offered for sale.
Answers for father, who is ill, on difference between manes of stallions and mares.
Asks CD for memorandum giving his opinion on a proposal to move the site of the Calcutta Botanic Garden. Gives details of the position, the physical character and the climate of the present site to show how desirable a move would be.
Supports relocating the Calcutta Botanic Garden to a site near the Himalayas.
C[harles?] P[arker?] says he has made a "fearful mistake", and the marriage cannot be; EAD hopes to come to CD next week.
Testimonial for James Archer, who leaves CD’s service after six months.
Reversion of tamed animals to wild behaviour.
Crying and the action of the orbicularis.
Recommends J. Scott’s paper on crossing varieties of Verbascum.
Beginning of extract from William Dell Hartman’s "Journal of the doings of Cic[ada?] septemdecim" [unidentified] in Pennsylvania in 1851.
Notes on sexual differences within certain species of birds.
Thanks MW for his essay [Die Darwin’sche Theorie und das Migrationsgesetz der Organismen (1868)]. Is highly gratified that MW agrees with him to a considerable extent.
Almost wishes that he could believe in the importance of isolation to the same extent as MW.
Pairing habits of birds: polygamy among ducks and canaries.
Information on the proportion of sexes in fowls and other birds.