CHAPTER XXIII.
Donkia glaciers — Moraines — Dome of ice — Honey-combed surface —
Rocks of Donkia — Metamorphic action of granite veins — Accident to
instruments — Sebolah pass — Bees and May-flies — View —
Temperature — Pulses of party — Lamas and travellers at Momay —
Weather and climate — Dr. Campbell leaves Dorjiling for Sikkim —
Leave Momay — Yeumtong — Lachoong — Retardation of vegetation at
low elevations — Choongtam — Landslips and debacle — Meet Dr.
Campbell — Motives for his journey — Second visit to Lachen valley
— Autumnal tints — Red currants — Lachen Phipun — Tungu —
Scenery — Animals — Poisonous rhododendrons — Fire-wood — Palung
— Elevations — Sitong — Kongra Lama — Tibetans — Enter Tibet —
Desolate scenery — Plants — Animals — Geology — Cholamoo lakes —
Antelopes — Return to Yeumtso — Dr. Campbell lost — Extreme cold
— Headaches — Tibetan Dingpun and guard — Arms and accoutrements
— Temperature of Yeumtso — Migratory birds — Visit of Dingpun —
Yeumtso lakes.