CHAPTER IV.

Hangarang ridge separates Kunawar from Piti -- Ascent to Hangarang Pass -- Alluvial deposit -- Steep ascent -- View of valley -- Limestone rocks -- _Caragana versicolor_, or _Dama_ -- Camp at 14,000 feet -- Top of pass -- View from pass -- Vegetation of summit -- Descent to Hango -- Cultivation round the village -- Luxuriant wild plants -- Road to Lio -- _Crambe_ -- Ravine of Piti river -- Lio -- Bridge over Piti river -- Ascent to Nako -- Nako -- Cultivation of the village -- Buddhist temple -- Transported blocks -- Chango -- Changar -- Stopped by villagers on Chinese frontier -- Natural bridge -- Kyuri -- Alluvium -- Clay deposit with shells -- Lari -- Ramifications of mountain ranges -- Alluvial platforms -- Pok -- Dankar -- Lara -- Rangrig -- Upper part of Piti -- Climate -- Saline exudations 96