JDH writes to his mother [Lady Maria Hooker] from Choongtam. He has been successful in his trip to the pass at Lachen & the plateau of Tibet. JDH discusses [Archibald] Campbell’s & [Brian Houghton] Hodgson’s attempts to get Lord Dalhousie & the Indian Government to defray JDH’s expenses. JDH declined the offer as he did not want to cause animosity with the E.I.C. [East Indian Company]. JDH talks of the successes of his Rhododendron book & jungle journal extracts which were printed in the Asiatic Society’s Journal. He would like WJH’s telescope sent out, & suggests sending it to Carey or Dolland for repair. He would like to be able to observe the eclipses of Jupiter’s satellites. JDH discusses the sale of Newman’s & Adie’s instruments in Calcutta [Kolkata]. He wants a Kater Azimuth Compass as his is borrowed from CaptainThuillier, Deputy Surgeon General.