CHAPTER XXII
Leave Lachoong for Tunkra pass—Moraines and their vegetation—Pines of great dimensions—Wild currants—Glaciers—Summit of pass—Elevation—Views—Plants—Winds—Choombi district—Lacheepia rock—Extreme cold—Kinchinjunga—Himalayan grouse—Meteorological observations—Return to Lachoong—Oaks—Ascend to Yeumtong—Flats and debacles—Buried pine-trunks—Perpetual snow—Hot springs—Behaviour of Singtam Soubah—Leave for Momay Samdong—Upper limit of trees—Distribution of plants—Glacial terraces, etc.—Forked Donkia—Moutonneed rocks—Ascent to Donkia pass—Vegetation—Scenery—Lakes—Tibet—Bhomtso—Arun river—Kiang-lah mountains—Yaru-Tsampu river—Appearance of Tibet—Kambajong—Jigatzi—Kinchinjhow, and Kinchinjunga—Chola range—Deceptive appearance of distant landscape—Perpetual snow—Granite—Temperatures—Pulses—Plants—Tripe de roche—Return to Momay—Dogs and yaks—Birds—Insects—Quadrupeds—Hot springs—Marmots—Kinchinjhow glacier.