But if you don't mind, walk a little faster, please. I want to get to a long-distance telephone."
"What for?"
"I have just overheard something that I wish to communicate to my employers, Bentley & Eagert."
"Overheard something? I don't see what it could be, unless that lad"
"You'll learn in good time," went on the submarine agent. "But I must telephone at once."
A little later the two men had reached a trolley line that ran into Atlantis, and they arrived at the city before Mr. Damon and Tom got there, as the latter had to go by a circuitous route. Mr. Berg lost no time in calling up his firm by telephone.
"I have had another talk with Mr. Swift," he reported to Mr. Bentley, who came to the instrument in Philadelphia.
"Well, what does he say?" was the impatient question. "I can't understand his not wanting to try for the Government prize. It is astonishing. You said you were going to discover the reason, Mr. Berg, but you haven't done so."
"I have."
"What is it?"
"Well, the reason Mr. Swift and his son don't care to try for the fifty thousand dollar prize is
