Summary

His views on the Eyre controversy.

Went to Shrewsbury (for sale of Susan’s effects), hoping to buy some Wedgwood medallions, but they had been bought.

Summary

JDH sends a list of the principal confirmatory evidences of CD’s theory which he has prepared at W. R. Grove’s request for Nottingham speech ["Presidential address", Rep. BAAS 26 (1866): liii–lxxxi].

Summary

Drosera and Erica massoni have been sent.

Had heard of Agassiz’s theory but not that CD’s theory had raised it.

JDH wrote the article on A. Murray.

Frankland’s lecture too much for him.

Summary

Has finished Variation. May insert a chapter on man.

Still puzzled by seeds of Adenanthera.

New Zealand and Borneo flora problems continued.

Fritz Müller found six genera of dimorphic plants in one day.

Summary

Extensive discussion of Pangenesis in reply to JDH’s comments.

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

Pleased by JDH’s success. JDH gives argument for occasional transport with perfect fairness.

W. R. Grove’s address [see 5201] good, but is disappointed that species part was so general.

Summary

Is in a mess with his correspondence and will get no assistance before 1 April.

Has agreed to give an address on the Darwinian theory at Nottingham [meeting of BAAS].

Summary

Scarlet seed is Adenanthera pavonina. JDH’s suggestion on how disseminated.

On Herbert Spencer, "all oil no bone – a thinking pump", but his paper on sap and wood [Trans. Linn. Soc. Lond. 25 (1866): 405–30] is good science. His refusal to bring a specimen for analysis when confronted by JDH.

Bentham and Martin disagreement.

Speculations on New Zealand flora.

Albert Günther’s paper on fishes on each side of Isthmus of Panama [Proc. Zool. Soc. Lond. (1866): 600–4].

On the quantity (bulk and weight) of organic life [matter].

Summary

Has found Verlot.

His sister [Emily Catherine Langton] is dying [d. 2 Feb 1866].

His stomach still very bad. Writes one or two hours and reads a little.

JDH is a wretch to remind CD of his coal-plant prophecy.

Glad JDH will give Nottingham lecture.