"I hope not, either," agreed Tom. "That Beecher may be there ahead of us."

Weary marches fell to their portion. There were mountains to climb, streams to ford or swim, sending the carts over on rudely made rafts. There were storms to endure, and the eternal heat to fight.

But finally the party emerged from the lowlands of the coast and went up in among the hills, where though the going was harder, the climate was better. It was not so hot and moist.

Not wishing to attract attention in Copan itself, Professor Bumper and his party made a detour, and finally, after much consultation with Tom over the ancient maps, the scientist announced that he thought they were in the vicinity of the buried city.

"We will begin test excavations in the morning," he said.

The party was in camp, and preparations were made for spending the night in the forest, when from among the trees there floated to the ears of our friends a queer Indian chant.

"Some one is coming," said Tom to Ned.

Almost as he spoke there filed into the clearing where the camp had been set up, a cavalcade of white men, followed by Indians. And at the sight of one of the white men Tom Swift uttered a cry.

"Professor Beecher!" gasped the young inventor.