Summary

Instructions for delivering pigeons to Down.

Has Scandaroons for WBT.

Summary

Rarity of intermediate varieties.

Variability of introduced plants.

Ranges of plants common to Europe and U. S.

Summary

Tristan da Cunha flora.

Aquatic plants.

Density and diversity of plants in small plots in Kent, Keeling Islands, and Himalayas.

Summary

Asks about strains of Herefordshire cattle.

Summary

Will forward the Scandaroons.

Is crossing all his pigeons to see which are fertile.

Hopes WBT’s work on fowls’ skulls is not forestalled by T. C. Eyton who also has a grand collection of skeletons.

Summary

Asks whether number of incisors varies in domestic pigs. Is testing views of J. M. Bechstein.

Comments on TCE’s book [Herd book of Hereford cattle (1846–59)]. Mentions variations in the breed.

Will quote TCE on geese [Mag. Nat. Hist. 4 (1840): 90–2].

Problem of geographical distribution; his seed-salting experiments. Asks about distribution of seeds to islands. Do water-birds ever have dirty feet?

Could Eyton’s gamekeepers collect owl and hawk pellets? Asks for dace stomachs and contents.

Asks for cats’ skeletons.

Summary

Quotes passage from [Frédéric?] Gerard on distribution of certain Lepidoptera.

Summary

Whether or not there should be movement of particles according to Tyndall’s theory of glacial action ["Observations on glaciers", Not. Proc. R. Inst. G. B. 2: 54–8, 441–3].

CD subscribes to H. C. Sorby’s view of gneiss [Edinburgh New Philos. J. 55 (1853): 137–50].

Seed-salting.

Pigeons.

Significant differences in skeletons of domesticated rabbits.

Summary

Responds to CD’s query about the blind fauna of Mammoth Cave.

Gives information from L. Agassiz. Distribution of Crustacea, especially along southern coastlines.

Summary

On JAHdeB’s discovery of Cretaceous Chthamalus. Cites his own acceptance of negative evidence about Chthamali in Fossil Lepadidae.

Comments on JAHdeB’s cirripede drawings.

Summary

Reports on the naturalised animal life of Ascension.

Summary

Requests observations on pigeons.

Knew LE’s son [Thomas] and deplores his fate [accidental death in 1846].

Summary

CD concerned with rabbits and ducks because evidence of their single origin is "better … than in most cases".

Death of William Yarrell.

Summary

C. T. Beke has communicated to the Mauritius Natural History Society a letter he received from CD. VdeR attempts to answer questions on transport of seeds by the ocean.

Summary

States his requirements with regard to pigeons and his interest in ducks and rabbits. Inquires about poultry seen at Leith Hill.

Summary

CD is working hard on variations.

Asks if PHG’s bald-pate pigeon [described in A naturalist’s sojourn in Jamaica (1851)] is a true rock-pigeon.

Can he obtain a specimen of the rabbits that have run wild, and a wild canary, and the body of any domestic or fancy pigeon which has been in the West Indies for some generations?

Summary

Plants that are social in the U. S. but are not so in the Old World.

Distribution of U. S. species common to Europe.

Gives Theodor Engelmann’s opinion on the relative variability of indigenous and introduced plants and notes the effects of man’s settlement on the numbers and distribution of indigenous plants.

Summary

Sends review by Quatrefages [de Bréau] of Owen’s Parthenogenesis [1849].

J. D. Dana’s congratulations on JL’s marriage.

Summary

Thanks PHG for information about the bald-pate pigeon.

Will write to Richard Hill.

Can PHG remember any facts relevant to transport of animals and plants to distant islands?

Summary

Will send MS on one point of geographical distribution. It is "of infinite importance" that JDH see it, for CD has never felt such difficulty in deciding what to do.

Wants capsules of aquatic plants, to float in sea-water.