Sex ratios in cattle and sheep.
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Sex ratios in cattle and sheep.
Preference of females for particular males certainly exists occasionally.
On the proportion of males to females in horses and in dogs.
Offers deerhound puppy.
Asks for photograph.
Encloses letter from George Cupples of notes, with excerpts from letters from Peter Robertson and John Wright, relating to difference in size between male and female deerhounds. Reports on weight statistics of ten [deerhound] puppies being observed.
GHKT is going to procure some local smoke-coloured fowls and investigate them for CD.
Encloses letter on expression queries from S. O. Glenie.
Relates some observations on expression among Australian aboriginals and encloses answers to CD’s queries from other observers. [These include letters and observations from: J. A. Hagenauer, 28 May 1868; Archibald Grahame Lang, 17 June 1868; H. B. Lane, 24 June 1868; Templeton Bunnett, 25 June 1868; J. Bulmer (1868). (See introduction to Expression.)]
Discusses the development of horns in antelopes. Remarks on the variation within and between the species of Cervus and on their relationship to each other.
Sexual differences in coloration. Sexual selection versus natural selection as explanations. ARW continues to argue against sexual selection, saying that natural selection, in keeping the female dull for protection, would account for differences in sexual colouring more effectively than inheritance and partial transmission of sexually selected male colours. Colours of female birds of paradise. Protective coloration. Disagrees with CD on coincidence of hidden nests and bright colours of females.
Encloses further replies from Australia to CD’s queries on expression. Wilson’s letter to CD enclosed the letter from Smyth with its enclosures (see S6314).
Both sexes of Crossoptilon auritum (eared pheasant) obtained the red cheeks the first year.
Coloration of the linnet.
Hybrid geese.
Proportions of sexes in sheep and cattle.
Pairing habits of crows.
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.
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.