at was
around the professor's map," said Ned.

"It certainly is the same," declared the young inventor. "See, there
is his name," and he stretched out his hand to point.

"Don't touch!" cried Tal. "Poisoned arrows snake poison--very
dead-like and quick."

"Don't worry, I won't touch," said Tom grimly. "But go on. You say
Valdez sneaked into our camp, took the oiled-silk package from the coat
pocket of Professor Bumper and went back to his own camp with it,
thinking it was gold."

"Yes," answered Tal, though it is doubtful if he understood all that
Tom said, as it was half Spanish and half English. But the Indian knew
a little English, too. "Valdez, when he find no gold is very mad.
Only papers in the yellow silk-papers with queer marks on. Valdez
think it maybe a charm to work evil, so he burn them up--all up!"

"Burned that rare map!" gasped Tom.

"All in fire," went on Tal, indicating by his hands the play of flames.
"Valdez throw away yellow silk, and I take for my arrows so rain not
wash off poison. I give to you, if you like, with blow gun."

"No, thank you," answered Tom, in disappointed tones. "The oiled silk
is of no use without the map, and that's gone. Whew! but this is
tough!" he said to his chum. "As long as it was only stolen there was
a chance to get it back, but if it's burned, the jig is up."

"It looks so," agreed Ned. "We'd better get back and tell the
professor. It he can't get along without the map it's time he started
a movement toward getting another. So it wasn't Beecher, after all,
who got it."

"Evidently not," assented Tom. "But I believe him capable of it."

"You haven't much use for him," remarked Ned.

"Huh!" was all the answer given by his chum.

"I am sorry, Senors," went on Tal, "but I could not stop Valdez, and
the burning of the papers----"

"No, you could not help it," interrupted the young inventor. "But it
just happens that it brings bad luck to us. You see, Tal, the papers
in this yellow covering, told of an old buried city that the
bald-headed professor--the-man-with-no-hair-on-his-head--is very
anxious to discover. It is somewhere under the ground," and he waved
to the jungle all about them, pointing earthwards.

"Paper Valdez burn tell of lost city?" asked Tal, his face lighting up.

"Yes. But now, of course, we can't tell where to dig for it."

The Indian turned to his wife and talked rapidly with her in their own
dialect. She, too, seemed