Mexico. There was much to be done, and twilight was upon them before
they had advanced far enough to begin cooking their evening meal.

CHAPTER II

IN THE ZUNI FOOTHILLS

A sudden wail from the guide attracted the attention of the party to
him at once. "Now what's the matter?" demanded Tad, hurrying to him.

The guide had thrown himself prone upon the ground and was groaning as
if in great agony, offering no reply to the question.

"Are you sick?"

"Si, si, señor," moaned Juan.

"Where?"

"Estomago-- mucho malo."

"Your stomach?"

"He's got a pain under his apron," diagnosed Stacy solemnly.

"Been working too hard," suggested Ned.

In the meantime the guide was rolling and twisting on the ground,
glancing appealingly from one to the other of them.