Singing songs, [108];
birds, [221].

Singli mountains, [2], [5], [6], [20].

Singma la, [237].

Slate, wooden, used to learn to write on, [81].

Small-pox, fear of, [105], [110], [193];
in Central Tibet, [126];
at Nangartse, [130];
ceremonies for recovery, [130];
persons ill with, [143];
prayers for recovery, [146];
spread of, in Lhasa, [155], [170];
near Sakya, [238];
hospitals for, [242];
treatment of, [257].

Snakes, at hot springs, [205];
their bite rare, [258];
treatment of, [258];
eaten by Lalos, [258].

Snow, fall of, [123], [124].

Snow-shoes, [26].

Soap, substitute for, [100]. [[282]]

Social divisions of Tibet, [246], [247].