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Discusses chapter [6] on cleavage and foliation in South America. Notes especially cleavage where two series cross and cleavage as basis of foliation in metamorphosed rock. Notes foliation in rocks that have been liquefied by heat. Mentions case described in his "Geology of the Falkland Islands" [Collected papers 1: 203–12]. Discusses relationship of cleavage to beds. Speculations on association between grauwacke and clay-slates.
Is obliged for JEG’s assistance.
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Discusses the similarity in size, shape, and structure of the blood corpuscles of the Aves. Notes differences between the corpuscles of the domestic dog and some wild species.
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Alphonse de Candolle’s Géographie botanique [raisonnée (1855)] strikes him as a wonderful, admirable work.
Believes the goldfish originates from a wild, gold variety of Chinese carp.
Gallinaceous birds.
Crested turkeys.
EB divides the gallinaceous birds into five families on anatomical distinctions.
Wild dog species of India and Asia; ranges of some species, specific identity of others.
The fauna of the Seychelles.
Breeding of fowls in India and Africa.
Occurrence of turkeys in Africa.
Refers to some of his own papers giving fuller details of points raised previously.
Requests WE’s measurements of tigers.
Asks about a work on domestic pigeons in an Eastern language. Will consult [Ayeen Akbery or, the institutes of the Emperor Akber, trans. from Persian by Francis Gladwin, 2 vols. (1777, 1800)].
Asks for specimen skins of domestic pigeons and poultry. [See Variation 1: 205.]
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Suggests that J. E. Gray and/or G. R. Waterhouse might be willing to set her butterfly collection. Recommends that her children should collect their own butterflies.
Thanks JP for beautiful book [? The rivers, mountains and sea-coast of Yorkshire, 2d ed. (1855)].