Showing 101–120 of 3051 items
Describes his tour of the Netherlands. Reports on some of the specimens he saw on his trip.
Discusses the coloration of hair in aged monkey
and sexual differences in bird species.
Observations on lateral spots on coats of two specimens of deer. PS on habits of wild and domestic turkeys.
Sends abstract of his views on change of climate and a copy of a paper.
Forwards reply from [Peter Robertson] head forester for Marquis of Breadalbane on development of horns in Scottish deer.
Sends translation of Mr Steiger’s letter responding to question CD had asked about growth of horns of merino rams.
Sends abstract of an article by Carrière [J. Agric. Pratique 1 (1869): 159–67] on the improvement of wild radish by selection.
Differences in size and weight in deerhounds, with tables of comparative weights according to sex. Promises information on weights of deerhound puppies. Effects of cross- and inbreeding.
Proportion of sexes in pigeons, pigs, and pheasants.
Sexual preferences of females.
Congratulates WP on the success of his lectures.
Discusses the phrase "struggle for existence".
Sends a list of his papers.
Migratory male nightingales and blackcaps arrive before females [see Descent 1: 259].
Discusses chaffinch "Peggers".
Disagrees with CD’s opinion that canary mules are fertile.
Display of colour of greenfinches in courtship.
Observations on expression and colour of beard and hair in natives of India.
Did not intend to imply that Hallett said variation stopped, but that it arrives at a point where further accumulation in direction sought is so slow as to result practically in fixity of type – but not absolute fixity.
Duke of Argyll has requested JDH to superintend publication of a flora of India. JDH thinks he [Argyll] is paying him off for his kick at natural theology.
Willy [Hooker] returning from New Zealand.
A unique character in Drosophyllum.
Sees no reason for CD to contribute to Ross and Faraday memorials.
Replies to CD’s queries on sexual habits and differences in fish and lizards.
Glad Dareste is candidate for Paris Chair. No subject more important than modification of structure by direct action of changed conditions, and Dareste has thrown much light on subject. Believes monstrosities cannot be separated from slighter variations.
Sends extract from Charma [Essai sur le langage (1846)] on the origin of nodding and shaking the head [See Expression, p. 273 n. 17].
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.
CD and ED bequeath an annuity of £50 to J. Parslow [the Darwins’ butler].
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.
Identified two flies as species of Empis that suck flowers, but the females also feed on small Diptera.
