Summary

Lists the six honest believers in his species theory in England.

Asa Gray complains that Lyell acts like a judge on species, whereas CD complains of Lyell’s indecision.

CD working on divergence of leaves.

Distribution of Cameroon plants and the glacial theory.

Survival of island relics.

Summary

Emma prepares JDH for his visit to Wedgwood factory and Barlaston.

Summary

"Read a letter from Mr Darwin expressing his regret that the state of his health would not permit of his writing an Introductory Chapter to the Translation of Gaertner’s work [Bastarderzeugung im Pflanzenreich (1849)]."

Summary

Wishes to propose John Lubbock as a member of the Entomological Society.

Asks for B. H. Hodgson’s pamphlet on sheep ["Tame sheep and goats", J. Asiat. Soc. Bengal 16 (1847): 1003–26]. Asks for odd numbers of GRW’s work [A natural history of the Mammalia (1846–8)]. Regrets that this work has stopped.

Summary

Agrees with JDH on difference in grief over loss of father and of child. His love of his father.

The Reader.

Politics and science.

Health improved by Bence Jones’s diet.

[Dated "Thursday 27th" by CD.]

Summary

On novels he has been reading: Eliot, Richardson, etc.

On Wallace, the Reader, and anthropology.

Summary

High, detailed praise for introductory essay to Flora Tasmaniae [reprinted as On the flora of Australia (1859)]. CD expects it to convert botanists from doctrine of immutable creation.

Summary

Orchid anatomy: homologies of column vascularisation.

Primula paper sent to Linnean Society.

Summary

Sends Nepenthes laevis.

Wallace for the Royal Medal is a good thought.

W. H. Harvey is at Kew and JDH has asked him about desert climbers.

Summary

JDH summarises letter from Humboldt.

JDH answers CD’s questions on glacial action in Himalayas.

Summary

Thanks WJH for information about J. D. Hooker; CD was very anxious to hear something about his safety.

Summary

CD partly right. JDH was calling "stratification" what CD calls "foliation". Answers CD’s question on cleavage foliation in Himalayas. Glacial action.

Charmed by CD’s Admiralty instructions on geology [in Manual of scientific enquiry (1849), Collected papers 1: 227–50], but complains he does not give prices of books and instruments he recommends.

Summary

Thanks AS for a copy of his book, Discourse [on the studies of the University, 5th ed.].

Thinking of not sending his eldest son [William] to a classical school.

Summary

"Climbing plants" sent off.

Encourages JDH to include notes on gradation of important characters in Genera plantarum or to write a paper on the subject. Has given prominence to gradation of unimportant characters in climbing plants. Believes that it is common for the same part in an individual plant to be in different states. Same may be true of important parts – for example position of ovule may differ.

Two articles in last Natural History Review interested him; "Colonial floras" [n.s. 5 (1865): 46–63]

and "Sexuality of cryptogams" [n.s. 5 (1865): 64–79].

Fact of similarity of orders in tropics is extremely curious. Thinks it may be connected with glacial destruction.

Leo Lesquereux says he is a convert for the curious reason that CD’s books make birth of Christ and redemption by grace so clear to him!

"Not one question [for JDH] in this letter!"

Summary

Asks about FH’s research on maize. Suggests experiments.

Summary

Acropera species may be males of other orchids.

Homologies of ducts in orchids.

Went to British Museum to see Bates’s mimetic butterflies.

Summary

Discusses a proposed expedition to Australia. Urges collecting and investigating productions of isolated islands. Recommends dredging the sea-bottom.

Mentions keeping Helix pomatia alive in sea-water.

Summary

Rejoices that CD is beginning "the book of books", Variation.

Suggests that changes in colour of pollen, stigma, and corolla, as Scott reports in his Primula paper, may be related to changes in the insects required for pollination.

Supports Gärtner translation by Ray Society.

Comments on recent addresses by Lyell [Rep. BAAS 34 (1864): lx–lxxv], Bentham [Proc. Linn. Soc. Lond. 8 (1864): ix–xxiii], and Murchison [Rep. BAAS 34 (1864): 130–6].

Summary

Sends Haast’s report; JDH may use any and all of the details in the letter.

Asks identity of a reviewer of Lyell’s Antiquity of man [Edinburgh Rev. 118 (1863): 254–302].

Summary

Details of his continuing water-cure regimen.