[Notes on conversations with J. D. Hooker.] Geographical distribution; diffusion and distribution of species. Island and mountain floras; means of migration (high-roads, icebergs).
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[Notes on conversations with J. D. Hooker.] Geographical distribution; diffusion and distribution of species. Island and mountain floras; means of migration (high-roads, icebergs).
Discusses books returned
and invites him to Down for a few days.
Invites GRW and his family to visit.
Family financial matters.
Returns notes on mule yaks [see Natural selection, p. 438]
and sends queries on silkworms.
A bed is ready any time HF will come.
Thanks for procuring cuttings of weeping yew.
Writes about canal shares EAD holds as trustee.
Asks that A. d’Orbigny’s geological map of S. America be sent to him with a card of the Society’s evening meetings.
Queries on ratios of species to genera on southern islands. CD’s observations on distribution of Galapagos organisms, and on S. American fossils, and facts he has gathered since, lead him to conclusion that species are not immutable; "it is like confessing a murder".
Discusses sending HD lice specimens. Asks him to check with G. R. Waterhouse.
Delighted to be able to contribute Infusoria to ED’s "great countryman Ehrenberg". Includes a list of eight substances from his collection described in detail, which Ehrenberg might find useful in his researches.
C. G. Ehrenberg would like some earth from Galapagos, Tierra del Fuego, and the Falklands; wishes to hunt for Infusoria.
Dicussion of some specimens from the Beagle voyage.
Thanks for information for Ehrenberg.
Inquires about the habits of a litter of foxhounds whose sire was particularly good at recovering the scent in paths or roads.
Has just completed Volcanic islands.
Sends queries on Galapagos flora in particular and island floras in general; also on relationship of wide-ranging species to wide-ranging genera.
Regrets the delay in sending copies of his paper.
Affinity of Galapagos with nearest Pacific islands. Relationship between ranges of species in time and space. Comparison of Malden Island and Galapagos plants. Affinities of Oceania plants with continental floras.
Advice to JDH on problems of printing and publishing.
Remarks on differences of species between islets of Galapagos group.
[With the notation "If not there to be forwarded by favour of Prof. Liebig" on the address.] "I am very glad to hear that you are going to edit a German Geological Journal".