Commends ARW’s papers on parrots

and on the theory of geographical distribution [see 4750].

Wild pigs in Aru Islands must have been introduced and later ran wild. Does ARW have an opinion on the subject?

Exchange of photographs.

Aru pigs present perplexing case, whether wild or domesticated.

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.

Thanks for interesting letter on climbing plants.

FM’s view on Anelasma seems probable.

Difficulty quoted by FM from A. Agassiz on embryology of Echinodermata is quite beyond CD.

Crests as inherited variations; domesticated birds.

Belief in value of travel journals.

Current reading.

Thanks SB for his Evidence [for the resurrection of Jesus Christ (1865)], the main argument of which is new to CD. He particularly agrees with the preface.

Has been confined to his bedroom for the last five months.

Thanks SB for letter of 1 October.

Returns the printed letter in which SB replied to the Bishop [of Wellington, N. Z.]; it amused him.

Is sending FM’s two letters on climbing plants as a paper to the Linnean Society ["Notes on some of the climbing plants near Desterro, in south Brazil", J. Proc. Linn. Soc. Lond. (Bot.) 9 (1867): 344–9].

Adaptations for pollination in Catasetum.

Has forwarded FM’s MS to Max Schultze, but did not read it.

Movement of stem apex in Linum.

Haeckel’s paper on reproduction in certain Medusae.