Summary

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.

Summary

Will attend the Philoperisteron [pigeon fanciers’ club] if he possibly can.

Summary

Thanks JMH for book of poems.

Recalls early days together. He cannot visit due to health.

Summary

Thanks WDF for his help and reports on progress in "the Cock and Hen line of business". Has written to every quarter of the world for skins of poultry and pigeons.

As for seeds, Hooker and Bentham obstinately refuse to believe they can live even a few years in the ground.

Summary

Thanks for JSH’s letter, which has been of real use.

Complains of the trouble caused by reports to Government required of Benefit Clubs.

Interested in case of Canada geese with seed in crop, because means of distribution is now a great hobby.

Summary

Delighted to hear that JD’s research is continuing. CD has heard that JD’s paper will at last be published. He is flattered by the form [as a letter addressed to CD] of communication. [See 1651a and 1819a, published in Phil. Trans. R. S. 146 (1856): 21–9 and Proc. R. S. London 8 (1856–7): 27–33.]

Summary

Encloses "notes for Mr. D" [see 1818] and a memorandum on the wild cattle of southern India [see 1819].

Breeds of silky fowl of China and Malaya. Black-skinned fowl.

Doubts any breed of canary has siskin blood; all remain true to their type.

Wild canary and finch hybrids.

Hybrids between one- and two-humped camels.

Does not regard zebra markings on asses as an indication of interbreeding but as one of the many instances of markings in the young which more or less disappear in the adult.

Crossing of Coracias species at the edges of their ranges.

Regional variations and intergrading between species of pigeons.

Regards the differences in Treron as specific [see Natural selection, p. 115 n. 1].

Gives other instances of representative species or races differing only in certain details of colouring.

Summary

On the vitality of the ova of the Salmonidae at different stages of development.

Summary

Is attempting to get skins of poultry from all quarters of the world. Wants to inspect poultry collections.

Summary

Requests that JEG secure the assistance of Samuel Birch in regard to information about varieties of domesticated animals and plants in China. Encloses memorandum.

Summary

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.

Summary

Is obliged for JEG’s assistance.

Summary

Alphonse de Candolle’s Géographie botanique [raisonnée (1855)] strikes him as a wonderful, admirable work.

Summary

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.]

Summary

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.

Summary

Thanks JP for beautiful book [? The rivers, mountains and sea-coast of Yorkshire, 2d ed. (1855)].

Summary

Inquires about a Mr Smith, who might prove helpful "in the domestic bird line".

Summary

The information correspondent hopes to get from M.-J.-P. Flourens will be valuable.

CD is keeping all varieties of pigeons, poultry, ducks, etc. for his work on variation.

Summary

Thanks LH for memorandum [missing] by K. R. Lepsius.

Summary

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.