Attacks by Falconer [Athenæum 4 Apr 1863, pp. 459–60] and Joseph Prestwich on Lyell.

W. B. Carpenter fails to attack Owen.

Welwitschia male cones with useless ovules marvellous example of lost function and retained structure.

JDH evaluates his sons.

No summary available.

Grieved by Falconer’s and Prestwich’s treatment of Lyell.

Reproductive anatomy of the common ash reminds CD of JDH’s Welwitschia because of its transitional forms.

Pleased JDH encourages Oliver to do orchids.

JDH has lost a letter from Julius von Haast intended for CD.

No summary available.

Falconer going to France in defence of his views.

On scientific squabbling.

Herschel’s theory of the earth.

Bates’s book.

JDH encourages a Mr Salwyn [Osbert Salvin] to collect in Galapagos; would like CD to add his encouragement.

ARW listed along with Hooker, Huxley, Lubbock and Bates as the "only honest downright "flat-footed" men in all England!!!".

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.

Lyell is "half-hearted but whole-headed" for CD’s theory. George Bentham wholly converted.

Bates’s book delightful but has a Darwinistic bias.

Cameroon plants.

JDH defends Bates against J. E. Gray’s slanders.

Critical of ARW's understanding of the economy of nature.

The Lyell–Falconer squabble.

Discusses island vs continental floras and their degree of modification.

Critical of Wallace.

CD’s observations on phyllotaxy.

No summary available.

No summary available.

Encloses his notions [missing] on John Scott’s offer; some points in explanation.

Seeks advice for John Scott on job offer in India.

Flora of Cameroons shakes JDH’s faith in ability to explain past or present migrations. Sees need for a major novel explanation such as natural selection, glacial cold, or continental connections.

Lyell in a bad way about feud with Falconer.

JDH’s opinion of Wallace, Bates, J. E. Gray, Owen, Asa Gray, Lubbock, and Bentham.

Bentham’s Linnean Society address [see 4118].

Hooker states that he will re-read ARW's 1853 book about the Amazon as he doesn't recall it interesting him at all when it was first published.

CD’s encouragement of John Scott, who has found a case of self-incompatibility in orchids, like William Herbert’s in Crinum.

Nägeli on phyllotaxy.

CD’s observations on broom fertilisation.

Sends Asa Gray letter to JDH. Gray’s "Coolness about England and U. S. beats anything".

John Scott’s difficulties at Edinburgh Botanic Garden.

JS’s paper on Primula crossing experiments.

Sends MS note about closing of stigma in orchids being dependent on affinity of pollen and independent of protusion of pollen-tubes.