Samye-la pass, hydrographical and geographical importance of, ii. [329]; unbroken continuance of the Trans-Himalaya proved at, [330]; not on the same chain as the Angden-la, [330]
Sanchen-la pass, ii. [310]
Sandhills, shifting, on the Brahmaputra, ii. [86]
Sand-spout, near Amchok-yung, ii. [36]
Sangchen-chu, river, camp at the, ii. [308]
Sangge-ngamo-buk, visit from chief of, ii. [383]
Sangmo-bertik valley, ii. [375]
Sangmo-bertik-la pass, ii. [377]
Sangra, mountain, i. 264
Sangra-palhe valley, i. 265