Sends condolences on the death of E. A. Darwin. LBBD was a schoolfellow at Shrewsbury.

Regrets he cannot answer SP’s question on gnats.

Sends a copy of A. R. Wallace’s work [The geographical distribution of animals (1876)].

Advises Fd’AF on how to carry out his work, "Keep notes & go on accumulating facts". CD will write to J. D. Hooker about the plants Fd’AF has collected.

Condolences on the death of E. A. Darwin.

Unable to contribute an essay to a symposium on the subject of vivisection. Objects to use of term "symposium".

Mentions articles of Hermann Müller.

Death of his brother Erasmus [26 Aug 1881].

Praises JDH’s York address.

S. B. J. Skertchly has paralleled Axel Blytt’s work in Cambridgeshire fens.

JDH too cautious on southern glacial period.

Is Kew interested in Azores plants collected by Arruda Furtado, a local inhabitant and an evolutionist?

Discusses insect attraction to artificial flowers. CD’s experiments of 40 years ago failed, but Nägeli reported success by scenting them.

Thanks for letter about death of Erasmus Darwin.

Cannot answer question about dotterels.

Not intended to call vivisection article a symposium [Nineteenth Century 10 (1881): 920–48].

Sympathy on death of Erasmus Darwin.

Trying some experiments with bees to test their direction-finding methods.

JDH writes to Sir William Turner Thiselton-Dyer about the meeting of the British Association for the Advancement of Science, which he is attending in York. He reports that John Lubbock's address was well received & that Mountstuart Elphinstone Grant-Duff is present but unwell. JDH's section of the meeting, on geography, has had some bad papers & speakers, he mentions particularly Trelawney Saunders. A polemical sermon was given at the meeting by the Bishop of Manchester, which JDH felt unnecessary as nobody had 'trodden on toes theological'. He also criticizes Osbourne Reynolds' lecture on rain & hail.

Asks him to deliver two or three feet of linoleum.

Discusses some of his observations on the sleep movement in plants. Has been studying the leaflets of Crotalaria; has discovered they move to face the setting sun.

Gives an account of the reception of his paper at York [BAAS meeting].

Comte de Paris requests an orchid from CD for his huge collection.

JDH responds to CD’s criticism of York address.

Arruda Furtado could work on mystery of buried cypress trunks in the Azores.

Has been visiting Anthony Rich, who persists in his intention to leave his property to CD despite the large fortune left by Erasmus. It is now all the more necessary for CD to arrange his own will.

Condolences on death of Erasmus.

Thanks for gift of Movement in plants.

Plans botanical research in Brazil.

Hermann von Jhering is conducting experiments on snakes.

WB obliged to work as newspaper correspondent.

Plans breeding experiments on dimorphic plants.

Has found the missing packet of forks, which he will send or take to Down.

Erasmus has left half his fortune to CD. Anthony Rich nevertheless insists on keeping to his testamentary arrangements. He also referred to leaving some additional property to THH.

Only 270 copies of Movement in plants remain. Suggests printing another 250 and then breaking up type. If CD agrees, has he any corrections?

Sends a copy of Earthworms.