sounds came from behind the heights in front of them,
and they felt that the only way to solve the question,
"What can the sounds be?" was to wait till the sounds
should solve it themselves.
Suddenly the muffled sounds gave place to the distinct
bellowing of cattle, the clatter of innumerable
hoofs, and the yells of savage men, while at the same
moment the edges of the opposite cliffs became alive
with Indians and buffaloes rushing about in frantic
haste--the former almost mad with savage excitement,