"It wouldn't be quite right for us to sign this report, Don Luis."

"Why not?" queried the Mexican, wheeling like a flash.

"Just for the simple reason," Reade answered, "that to sign the
report would be to state all the facts contained in the report
as being of our personal observation. We haven't seen enough
of the mine, as yet, for it to be right for us to sign the report.
An engineer's signature to a report is his statement--ON HONOR--that
he personally knows such report to be true. So I am very certain
you will understand that it would be a breach of honor for us to
sign this document."

"Ah! He is clever--and now the real trouble must begin!" Dr.
Tisco told himself. "These engineers are not easily duped, but
in Don Luis's hands they will destroy themselves!"




CHAPTER VI

WATCHING THE MIDNIGHT LIGHTS


Don Luis Montez laid down the pen. Outwardly he was as amiable as
ever; certainly he was all smiles.

"A thousand pardons, _caballeros_!" he murmured. "Of course, you