Appreciates what Murray and the printer are doing to rectify the error [transposition of pages of text in "Geology"]. But if the responsible person will be fined heavily, CD would want to "make some present".

Before he can exchange appointment of Willy [Herschel] he must find out what his present appointment is. Still thinks of going to St. Leonards and hopes to call on the Herschels. Would like Maria Edgeworth's last letter; misses her very much. Should cultivate Angelica.

Alexander von Humboldt reports reading that Lord Rosse's telescope has resolved the nebula of Orion. Humboldt requests JH's view on the matter. Describes new government.

Thanks for his letter. Was pleased to hear about the corrections. Points out another error in JH's figures in JH's Outlines Astr.

Map of JDH’s route from Darjeeling showing the Lachen & Lachong passes, the Chola range & his location near the Thibet [Tibet] frontier. He can see the source of the Lachen [River] at the base of Kinchin [Kinchinjunga]. JDH wrote to his mother from Choongtam & to Bentham from Lachen. The villagers are indifferent to JDH's expedition. He draws on the granary that Campbell stored for him at Choongtam. A purple Dentaria & a Polygonum make excellent pot herbs. He describes explorations through scrub of Wallich’s Rhododendron campanulatum, different to WJH’s in 'Botanical Magazine', & the vegetation of the area. JDH discusses his instruments and study of geology & geography. The Rajah has made threats for if JDH enters Thibet. JDH plans to travel up the Rungeet to Jongri. JDH discusses the prospect of going to Borneo for government. He wonders why Lobb is not sent to Darjeeling as he could get Veitch a good collection. JDH aims to open the way for explorers after him. The Rajah has gone to Chumbi & ordered the villages to share food with JDH. He discusses western Borneo & does not believe[James] Brooke’s account, especially after spending time with the Dutch East India Company. JDH would do better at RBG Kew than Borneo, despite his yearning to travel. He discusses government purchasing WJH’s herbarium & library. Graham’s fetched £900. JDH urges WJH to speak to Lord Carlisle about Borneo. Lord Auckland's death does not negate JDH’s obligations. JDH discusses finances; Findley advised him things were bad in Calcutta [Kolkata]. He is sorry the Coelogynes arrived dead; Macrae will attend to further roots sent. Falconer has written to him, JDH fears the H.E.I. [Honorable East India Company] gardens are in trouble. Lord Dalhousie does not care for science. JDH discusses how best to send collections home. Mrs Lawrence succeeded with the Amherstia. JDH discusses identification of Rhododendrons & D.C.[De Candolle’s] divisions of genera. Humbolt complained to JDH about Pentland.