Summary

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

Summary

Mentions Miss Buckley’s information on roosting in trees [see Variation 1: 181 n.].

Refers to Duke [of Argyll] and his Lamarckian view of change.

Roosting habits and behaviour of pigeons in Egypt.

Criticises Herbert Spencer’s works.

Has finished Elements; comments on Laurentian stages.

Remarks on his health

and forthcoming work [Variation].

Summary

His view of Origin.

Belief of Duke of Argyll that substituting "variation" and "selection" for creation deifies them.

Thinks Argyll would accept evolution except for man.

A’s view of humming-birds.

Describes discussion with [Victoria,] Princess Royal of Prussia, about evolution.

New edition of Elements consistent with Origin.

Summary

Thanks for Lythrum paper [Collected papers 2: 106–31].

T. S. Cobbold’s book on the Entozoa [1864].

Remarks on development of the tapeworm.

Summary

Acknowledges HWA’s oration.

Discusses design in nature, Asa Gray’s views, and his own confusion.

Summary

On FitzRoy’s suicide.

The Lyell–Ramsay disagreement [on formation of lakes?].

Summary

All overworked at Kew.

Burchell collections enormous.

Lyell has sent MS of Principles p. 111 on changes of temperature. JDH thinks Lyell blunders and is out of his depth.

Charmed with E. B. Tylor’s book on man [Early history of mankind (1865)],

disappointed in Lubbock’s [Prehistoric times (1865)].

Summary

Discusses several subjects, including examples of "Unity of coloration",

the origin of gall-producing poison,

Wagner’s theory of viviparous larvae,

and stridulation in insects.

Sends a reference supporting CD’s statement in Origin that flies check propagation of horses and cattle.

Summary

On Lubbock’s plans.

Visited by Antoine Auguste Laugel.

Guessed right on Bentham’s "Planchon".

Much struck by Thomson’s article on nomenclature [see 4812]; importance of this subject.

Sorry best scientists read so little; few read any long papers.

Summary

Has read and admires FM’s work on species.

Observations on Crustacea are good and original; asks FM to dissect and check some of CD’s observations on cirripedes.

Has sent "Climbing plants" paper [J. Proc. Linn. Soc. Lond. 9 (1865): 1–118] and would like to send Orchids.