sophical imperturbability. It appears to be perfectly indifferent
to the weather, provided only that it is cold enough ; it forages
for itself, and requires no grooming, stabling, or other attention.
At night the Tibetans secure their yaks in a row by tying thin
A curiosity : a six-pointed “ shao55 horn from Chema.
yak-hair cords to the beasts’ horns and to a thicker pegged-out
rope. One would think that the yaks had only to shake their
heads in order to free themselves, but it never seems to occur
to them how easy it would be to escape. Yak drivers, on the
march, encourage the yaks to step out by shrill whistles ; if
