"You shall soon learn, then!" growled the man. "I am the mine manager here."

"And we are the engineers about to be placed in charge," Tom continued.
"If we stay, Gato, you will assist us in all ways that you can.
Then, when you have received our instructions you will carry them
out according to the best of your ability."

The two looked each other sternly in the eyes, Pedro Gato appearing as though he enjoyed young Americans better than any other food in the world. Indeed, he might have been expected to eat one of them right then and there.

Behind a shade in the office building Dr. Tisco stirred uneasily.

"What did I say to you, Don Luis?" inquired the secretary. "Did
I not suggest that these Gringos would not be easily controlled?"

"Wait!" advised Don Luis Montez. "Wait! You have not yet seen what my Gato will do. He is not a baby."

"These Gringos will balk at every hour of the day and night," predicted Dr. Tisco.

"Wait until you have seen my good Gato tame them!" chuckled Don
Luis, softly.

CHAPTER III

GATO STRIKES THE UP TRAIL