On instruction of Legislature of Jamaica encloses copies of a Report of the House of Assembly and Resolution of the House on establishment of a botanic garden in Jamaica [extant]. Investigations to be carried out on how the soil of the island will support new vegetable cultivation or further of indigo, tobacco, and mulberry; lists skills required of curator of the garden, requests Smith's opinions.

Manuscript copies encloses copy of report of the House of Assembly, 14 December 1824, and resolution of the House Assembly, 16 December 1824, on establishment of a botanic garden.

Has requested that two copies of his recently printed catalogue of heaths at Woburn Abbey, [Bedfordshire], be sent for Smith and the Linnean Society ["Hortus Ericaeus Woburnensis"]. Intends to establish a Salicetum [collection of willows], for which he will use Smith's "valuable work" on 'Salix'. His gardener, [George] Sinclair, has left his service to set himself up as a nursery gardener.

Will present alterations of WR's paper to R.S.L. [see JH's 1825-1-27]. Asks if he may describe the similarities between WR's photometer and an instrument JH used in Italy and Sicily.

Will travel with Smith to London if he intends to attend Linnean Society meeting of 1 March. Hopes Smith is not amongst those citizens of Norwich speculating in "rail-roads, gas companies &c". Has noticed promotion of horticultural societies, particularly one in Brighton, of which [Thomas Andrew] Knight and Joseph Sabine are to be made Honorary Members. His son and family at Pisa, doubts Mrs Cullum will ever see England again having gained no benefit from the waters of Barèges, [France], Sorrento, and Ischia, [Italy], though they intend to return home this summer.

Apologises for involving Smith in the misunderstandings over appointing a new Linnean Society Secretary; [James] Bicheno was surprised to hear he had apparently refused the position. Objects to [Edward] Barnard on the grounds that he is too close to [Joseph] Sabine, and if made Secretary he would act as [Alexander] Macleay did by being President in all but name. Goodenough objects to Sabine, his habit of provoking disorder in any Society he joins, as at the Athenaeum, and his ordering a committee to discuss a portrait of Macleay when he had no authority to do so. Had hoped for a Secretary no one objected to to be appointed. Believes Sabine is now the effectual manager of the Linnean Society which many will find unpalatable.

More about lodgings in London [see JG's 1825-2-14], and about books JG and JH have read [letter completed 1825-3-9].

Enclosing Dr [Robert Kaye] Greville's Highland mosses for Smith in his Norwich parcel. Encloses specimen of 'Hypnum trifarium' gathered on a Highland excursion; observations on its habitat. Hopes to make another excursion this summer.

Sending moss specimens he has lately described. Awaiting specimens of 'Hypnum alpestre' and 'H. trifariense' for his "Scottish work"; 'H. halleri' is engraved. Found 'Splachnum rugosum' of "English botany" on Ben Lawers; believes it distinct from 'S. vasculosum', which he is drawing at the moment. He and [George] Arnott have been applying Smith's "favourite maxim" in classifying the splachnoid mosses, in doing so have overturned much of the previous work by other authors; observations on the genus. Regrets calling the work a new arrangement.

Since last writing 'Senecio tenuifolius' has been added to flora of Scotland. [William Jackson] Hooker on his journey to London and Paris. Received letter from Revd Lewis de Schweinitz [(1780-1834), botanist] of Pennsylvannia, who has raised number of American fungi to 2000. Requests specimen of 'Daltonia splachnoides'.

EAD thinks it a pity if CD does not go to Cambridge, but it will be very pleasant for them to be together at Edinburgh, where they should go as soon as possible and read. EAD is getting "case-hardened" in anatomy.

Reports on some observations from JS's observatory near Paris and on his contacts with the Paris Observatory. Relays to JH a request from Alexander von Humboldt for barometric observations. Invites JH to visit.

Has recently discovered in Cumberland a rich vein of cobalt, which is mixed with iron. Would like his opinion whether these ores can be easily separated. Can send him a specimen if required.

No summary available.

Would like to borrow the drawing of Josef Fraunhofer's telescope. Has received an account of this telescope from Wilhelm Struve, which he is now translating. Regarding the miscarriage of the Memoirs for Struve.

Forwards a specimen of his cobalt. Gives price and the various methods of use and refining. Thinks the analysis did not show its true qualities. Would like to hear the results of JH's experiments.

Received Smith's letter of 28 [March 1825]; sorry to hear he has been suffering from a rheumatic complaint in his eyes. Pleased Smith is satisfied with the willows he has so far gathered for his Salicetum; has not yet acquired 'Salix glauca'. Going to London at the end of the month but will be in London before Smith leaves, and hopes he will prevail on Smith to come and see the willows in full leaf, though fears there will be errors in the names. His health better than it has been for some time past, though has suffered from severity of the protracted winter.

Pleased JH liked his paper on differential photometer. Discusses apparatus for experiments on light. Describes some papers he has written and some he is writing.

Edward Sabine's and JH's memoir on the differences of the meridian between Greenwich and Paris. Hopes to print a notice of the same operation with similar results. Operations last year between Paris and Brest were not a success so hopes to repeat them this year.

Wishes JH a happy birthday. Finished the catalogue of 2500 nebulae.

Thanks for Smith's "very kind letter" [of 27 January 1825]. Pays tribute to their 31 years of friendship, during which they have been "intimately known to each other without any misunderstanding or coolness". Forwards delayed letter for Smith from [George] Hibbert [see RelatedMaterial below, requested Smith's recommendation for curator of a botanic garden in Jamaica]; suggests David Don [(1799-1841), botanist] for the post as a means for the Linnean Society to be rid of him.

Thanks Smith for "high compliment" paid to him by Linnean Society [in proposing a portrait be taken of him], only regrets it comes so soon after the subscription for Smith's bust, which raised £190, proud to be the proposer of it. Uncertain what has happened about nomination of [James] Bicheno to succeed him [as Society Secretary].

Asks CD to send him some books on physiology and natural history from the family library.