Watercolour sketch map of Sikkim by JDH, showing his route through the country to the Tibetan passes. The following are marked on the map and key: Thibet, Lachen Pass over Kongra Lama, Lachen Pass over Donkiah Mt Chomiomo, Cholamo lakes Mt Donkia 23175 ft. Mt Kanchan--Zhow, Tungu, Samdong, Lachong?, Tunkra Mt, Choongtam, Black Rock, Kankola Pass, Choombi river, Chola, Boundary of Sikkim, bridge on Lachoong where Kinchin [JDH's dog] was drowned Aug 15.