"_Vacas?
Onde, Juan_ ?--where's any cows ?" He knew well enough that no hoof of domestic cattle had ever trod this country.

Yet trust as he did the dictum of the giant's strange extra sense, he could not see, anywhere upon the wide country round about them, any signs of the buffalo to which he was sure the Mexican meant to call his attention.
"_Vacas! muchas_," repeated Juan carelessly.
"Lots of 'em, eh?
Well, I'd like to know where they are, my lily of the valley," said Curly, for once almost incredulous.

And then he stopped and listened.--"Hold on, boys, listen," he said.

"Look out--look out! Here they come!" Every ear caught the faint distant pattering, which grew into a rapid and insistent rumble.

"Cavalry, b'gad!" cried Battersleigh.
Franklin's eyes shone.