Summary

The ovule of Primula is amphitropous or what J. Georg Agardh calls apotropo-amphitropous [see Theoria systematis plantarum (1858), tab. 24, fig. 5–6].

Summary

His work on Mexico has some geology, which might interest CD.

He is currently at work on the "filiation des genres des espèces et des moeurs des guepes [hornets]".

Summary

Comments on his elephant paper

and CD’s observations on dimorphism in Melastomataceae.

Summary

Returns CD’s pamphlets.

Wishes CD would work out further what keeps certain species immutable for great periods.

Feels himself a convert, but cannot go all lengths with CD.

Feels some reviewers distort CD’s argument.

Summary

Has done extensive plant hybridisation: strawberry, raspberry, Rhododendron.

Summary

Dimorphism in Linum.

Situation in some of the lower Algae is analogous to that in phaenogams. In some, conjugation occurs between separate filaments, in others between cells of same filament.

Forwards a letter from S. O. Glenie enclosing specimens of Cassia fistula which show the two forms of the anthers.

Summary

Thanks for a gift of £20.

Summary

Glad to find they are cousins.

Sends his book [High Elms (pseud.), The game-preserver’s manual (1858)].

Summary

Asks CD whether he knows of "anything worth looking at" that has appeared abroad on his theory of the origin of species.

Summary

Huxley’s lectures [Man’s place in nature (1863)]; he would be a scientific H. T. Buckle, if he were more careful.

Asks CD what the evidence is for inheritance of acquired characteristics.

Summary

Replies to CD’s letter: dimorphism common in Ceylon Rubiaceae. [See Forms of flowers, p. 286.]

Summary

JDH delivers CD’s letter to C. V. Naudin.

Neither Naudin nor Decaisne appreciates Origin.

Discusses Naudin on physiological causes of species formation;

Decaisne on plant heredity.

JDH on Lincoln’s emancipation proclamation.

Summary

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.

Summary

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].

Summary

Sends two interesting cases: a flamingo with barnacles covering its legs

and castrated wild asses of Kutch.

Summary

Answers CD’s query on Primula longiflora and P. scotica.

Would like abstract of CD’s paper ["Two forms of Linum", Collected papers 2: 93–105] for Natural History Review.

Summary

Bee species of different sizes build cells the same size.

Summary

Lyell’s position on mutability.

Directions for care of hothouse plants.

Falconer hostile to Lyell’s book.

JDH’s Wedgwood ware collection.

Summary

Sends his paper ["Über Dichogamie nach C. C. Sprengel und Ch. Darwin", Bot. Ztg. (1863): 1–7, 9–16].

Summary

Thanks for presentation copy of Linum paper [Collected papers 2: 93–105].

Ficus experiments confirm CD’s supposition that insects visit Melastoma for nectar, but HC thinks pollen-seekers fertilise the flowers.

Maranta fertilisation.