- British Library, The: BL Add. 46434 ff. 80-83
- Marchant, J. (Ed.). (1916). In: Alfred Russel Wallace; Letters and Reminiscences. Vol. 1. London & New York: Cassell & Co. [pp. 181-182]
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Male dotterels take care of young and are less brilliantly coloured than females.
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Discussion of origin of domestic sheep races. Some comments on the yak and the wild ancestors of the llama and alpaca.
Is honored that JH should have noticed one of his articles. Quotes further articles, which may be of interest. Regarding JH's views on air and his own theories.
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Pleased that CD approves his idea about caterpillars.
Thinks CD is right about selection in butterflies, but still believes protective adaptation has kept down colours of females.
Cannot yet see action of natural selection in forming the races of man.
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He has promised Mark [coachman to R. W. Darwin and Susan] that CD will continue the payment of £20 a year after EAD’s death; the house is rent free.
Reports observations on fertility of orchids he has self-pollinated and crossed with pollen of other species.
Thanks for information about the dotterel.
CD had ascertained by dissection that the female of the carrion-hawk of the Falkland Islands is very much brighter coloured than the male. Has inquired about its nidification. Mentions other instances of female birds that are brighter and more beautiful than the males and suggests causes for this anomaly.
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Much obliged for lecture [On some defects in public school education (1867)]. Would leave classics to those with zeal and taste for appreciation. Learned nothing at school except by reading and experimenting in chemistry.
Sends JH proceedings of Mathematical Society of London and asks JH to join.
No mention of Emmanuel Liais's L'espace céleste in English journals. Contact London publishers to find translator for it. Alexander Herschel is now professor of natural philosophy at Andersonian Institution in Glasgow. Hopes JB's elegant method of measuring gravity by torsion will not die before being put into practice.
Asks whether WBT can carry out poultry mating experiments for him.
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Wishes to know the correct name for the British Museum’s specimen of an Abyssinian wolf described by Wilhelm Rueppell, Neue Wirbelthiere zu der Fauna von Abyssinien [1835–40] .
Observations on Ophrys plants and Thymus vulgaris. Encloses sketch of different forms of T. vulgaris [see Forms of flowers, p. 302].