Summary

Lyell’s position on mutability.

Fertilisation of trees by bees.

Summary

Admits, at last, that New Zealand must have been connected to some continent, but not Australia.

Climbing plants: asks for more plants.

Summary

JDH working on the New Zealand flora.

Jules Planchon excited about CD’s Linum experiments.

T. F. Jamieson’s paper on glaciers gives great pleasure.

Summary

Lyell’s volume [Principles, 10th ed.] received.

"We must now keep him straight anent origin and development."

Some of Spencer’s new part is interesting but much is dull and ponderous.

Huxley’s Elementary physiology [1866].

Has finished his New Zealand manual [Handbook of New Zealand flora (1864–7)]. New Zealand flora [and past geological conditions] suggest islands were once connected.

Speculates on the total amount of living organised matter on the globe, and whether it varies.

Balfour Stewart on sunspots.

Summary

CD’s illness.

The difficulty of getting John Scott to publish his work. Has sent Scott’s paper [on Primulaceae] to Linnean Society. CD is sure it is valuable.

Summary

Confident of species theory as result of applying it to cirripede sexual systems.

CD’s opinion of E. Blyth. JDH should meet Blyth, inquire about domesticated varieties, study insular flora, solve coal-plant problem.

Summary

Thanks JDH for extract on Hedychium pollination; it shows CD’s prior interpretation was incorrect.

Summary

CD’s illness: he is vomiting "vegetable" cells.

Dutrochet has published the best of CD’s observations on tendrils [see Climbing plants, p. 1 n.].

Lyell has found Joshua Trimmer’s Arctic shells on Moel Tryfan.

Summary

Doubts Decaisne’s report of larkspur self-fertilisation.

Enthusiastically observes climbing plants. Needs to know how novel his observations are. Finds R. J. H. Dutrochet has made similar observations, so he has wasted some time. [See Climbing plants, p. 1 n.]

Summary

W. H. Harvey’s dandelion case worth publishing.

Suspects the uniform Primula elatior JDH referred to is a distinct species.

Scott’s paper on Passiflora shows variability of reproductive systems.

Summary

JDH’s books have arrived safely.

Is sending him corrected MS of first part of Journal of researches [2d ed.].

Lyells have just visited.

Summary

JDH and Oliver impressed with CD’s observations on gyratory motion of plants.

CD pleased with Bentham’s Linnean Society address on the reception of Darwinism [J. Proc. Linn. Soc. Lond. 7 (1863): xi–xxix].

JDH’s social "dogma": "Brains x Beauty = Breeding + wealth".

[Dated 9 June by JDH.]

Summary

Returns Charles Naudin’s letter with its case in support of CD’s view of impregnation.

Twits JDH for trying to wriggle out of error made in his lecture and admires his "candour in letting the rat out of the bag". [See 5449 and 5451.]

Summary

JDH suggests Scott go to India; he will write letters of introduction.

Conversation with Herbert Spencer.

George Bentham would like to know how CD’s view of hybridism diverges from Charles Naudin’s.

Summary

JDH on the Lyell–Lubbock plagiarism controversy. His view of the true cause of Lubbock’s behaviour.

Summary

CD’s pleasure at JDH’s willingness to help Scott find a position in India.

Naudin underrates contamination of his experiments by insects. Thus CD doubts Naudin’s results on rapidity and universality of reversion in hybrids.

Wallace’s paper on man [see 4494] reflects his genius, although CD does not fully agree with it.

Summary

JDH on Asa Gray’s sanguine view of the Civil War and slavery.

Wishes to discuss variation with CD, a subject that Huxley does not understand.

Summary

Fertilisation of papilionaceous flowers [Collected papers 2: 19–25].

JDH’s reactions to CD’s theory.

Discussed human fossil evidence with Hugh Falconer.

Summary

Tabulation of varieties goes on; very important as it shows the branching of forms. Mentions his principle of divergence.

Summary

Thanks for Begonia and Oxalis.

Keeps obstinate about crossing and could argue till doomsday, but will not bother JDH.

Sees that JDH has finished Welwitschia.

Thinks Huxley’s Working Men’s Lectures excellent.

Has finished Linum paper [Collected papers 2: 93–105],

and abstract of Bates’s paper for Natural History Review,

and has begun to arrange concluding chapters [for Variation]. Is paralysed on how to begin.