Juan shrugged his shoulders, indicating that he did not.

"What is Mr. Lasar's business?"

Again the guide answered with a shrug. He seemed disinclined to
discuss the man in whom Tad Butler was so much interested. Up to that
time the lad had been too fully occupied with other matters to think
of the conversation he and Stacy had overheard on the Atlantic and
Pacific train. Now it came back to him with full force.

"Know anybody by the name of Marquand in this country?" he asked,
taking another tack.

Juan said he did not, and then Tad gave up his questioning.

"I was asking Juan about the two men who sat ahead of us in the train
yesterday," he explained to Chunky, as the fat boy joined them.

"Wha'd he say?"

"One is named Lasar, but he did not know the other one. I can't help
believing that those fellows were plotting to do some one a great
injury."

"So do I," agreed Chunky. "I guess we had better not say anything
about it to the others, but we'll try to find out who this man Lasar
is, and who Mr. Marquand is. Then we'll decide what to do next."

Their further conversation was interrupted by the voice of the
Professor, announcing that they would halt for their noonday meal. All