“How is he your enemy?” asked Bob, with interest, for he could not understand how so good-hearted a person as Frank Landes could have an enemy.

“He used to work for our firm, and I once detected him in wrong-doing. I exposed him, and he was discharged. He promised to get square, and I know he will try to keep his word.”

“What is his name?”

“James Casco. He has Spanish blood in him, and is a bad man when in a temper.”

“We’ll both keep our eyes open for him,” returned Bob. “If he tries any underhand work, and I catch him at it, I’ll—I’ll pulverize him.”

“Really!” laughed Frank.

“I will. I always stick up for my friends, and you’re the first friend I’ve struck in a long time. So let Casco keep his distance.”

CHAPTER III
BOB AT THE HALF-WAY HOUSE

When Bob and Frank Landes entered the dining-room and looked around at the guests present, they saw nothing of James Casco.

“Most likely in the bar-room,” said Frank. “He is a pretty heavy drinker.”