Recommends J. Scott’s paper on crossing varieties of Verbascum.
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Recommends J. Scott’s paper on crossing varieties of Verbascum.
Discusses mule canaries which show a tendency to revert to wild plumage colours.
Discusses the origin and characters of sheep breeds, particularly the merino.
Reports observations on reversion to wild type in canary mules
and lists some animals that show a unique development restricted to one side of their bodies.
Corrects some facts and gives further information on some points for the 2d ed. of Variation.
Specific distinctions among animals.
Cercopithecus of Africa contrasted with the Cebus of South America.
Notes on domestic fowls and their ancestors.
Slow growth of wild animals compared with domestic varieties.
Detailed notes on secondary sexual differences in various species of birds and mammals.
Discusses apes and their relationships to each other. Writes particularly of the gibbon, its structure and well-developed legs giving it the ability to walk without using its hands.
Discusses the human foot and its abnormalities; notes an example of syndactylism.
Gives his observations on sexual differences in coloration of terns and ostriches.
Reports another case of syndactylism.
Replies to CD’s queries regarding sexual differences in gibbons’ voices, chameleon behaviour, and the occurrence of spurs in pheasants and peahens. Discusses sexual differences in structure and habit within certain bird species.
Has examined three races of the mouflon sheep and remarks on the extent of variation in them.
Reports on newly discovered Sclater’s pea-fowl from Cochin China.
Discusses peacocks and the rediscovery of the long-lost crested turkey.
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.
EB is moving to Wiltshire for a week.
Tells CD of animals acquired, or about to be acquired, by the Zoological Garden.
Thanks CD for invitation to Down.
Wonders if George Darwin can explain why a thin stream of water poured from a jug always spirals right to left.
Discusses the top-knot turkey and the occasional appearance of the top-knot in a breed of cream-coloured turkeys.
Gives CD a reference to one of his papers ["Remarks on the modes of variation of nearly affined species or races of birds", J. Asiat. Soc. Bengal 19 (1850): 221–9]
and discusses moulting in birds.
Quotes instance of an action by an elephant that apparently displays considerable intelligence.
Replies to CD’s questions on sexual differences in birds.
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.