"It's a go," grinned Cates. "If we can get enough dust from the box to get to St. Louis, we're all right. Come on."
"Ha! ha!" laughed Sargent. "We'll see who gets the best of this, Mr. Frank Merriwell!"
Then they hastily descended the stairs and left the building.
CHAPTER XXI. TROUBLE FOLLOWS.
Cassie Lee found Frank looking through the peep-hole at the gathering audience.
"There," she said, "now I guess you'll believe Ross is your friend."
"Yes," Merry nodded; "he certainly did me a good turn in handling Sargent. I never expected that fellow would be the first to raise a kick."
"Knew it would be just like him," said the soubrette, leaning wearily against one of the wings and heaving a sigh.