JDH is on the Ganges en route from Mirzapore to Bhagulpore & Darjeeling . He describes the climate & riverbank vegetation: grass, Dhal, Grain, Cicer arietinum lentil, Carthamus, Vetches, rice, Argemone mexicana, a Mudar possibly Calotropis sp., Ficus, Artocarpus, Leguminosae, Toddy Palm, a Phoenix, also animals. He describes his boat, Hindu crew & travelling set-up including sketch of boat. His servants are Clemanze & a Muslim called Thirkahl. He has a Pummalow [pomelo] in his provisions. At Ghazeepore JDH will meet Trench, see manufacture of rose water, & Bengal Army stud horses. At Dinapore he will see opium works & Dr. Irving. JDH explains the process of collecting & drying plants whilst with Williams, including drying paper used, the weather pattern & why it is the wrong season for collecting. Dryness in India means few Epiphytal Orchideae, ferns & Cryptogammia except Riccia. Other plants collected incl.: Vallisnera; Villarsiae; Potamogetons; one fungi, an Agaric; a Fissidens moss, few lichens & no Hepaticae. He describes an aboriginal bellows made of leaves procured for the Kew Museum, at fairs he buys boxes, beads & medicines. Roberts gave samples of cultivated grains. JDH critiques work done on the Calcutta [Kolkata] Botanic Gardens by William Griffith[WG] & Robert McLelland [McClelland] & outlines changes he advised Hugh Falconer make. He describes gale & dust storm of 18 Mar. Lord Dalhousie made Gurney Assistant Surgeon of the General Hospital. At request of Colville JDH wrote to Lord Auckland. He discusses Auckland's reputation. Describes a gun bought from Brown. Wight has promised to get wood & seeds for Kew. JDH wants permission from the Rajah to enter Sikkim. Discusses going to north of Bhutan to Tibet in the current climate of trade & war with China & the likely flora. The richest botanical areas in India are Sikkim, upper Assam, Sylhet & Mishmee & Cosiah [Khasi] hills. Discusses his Bengal collection. Mentions WG's publications & Harvey's microscope.