Truax also added the name by which the mulatto was known in Annapolis.

"But why have you done all this?" demanded Jack. "What have you had against me?"

"I—I didn't do it on my own account," confessed Truax. "Did you ever hear of Tip Gaynor?"

"No—never," admitted Jack, after a moment's thought.

"He's—he's a salesman, or something like that, for Sidenham."

"The Sidenham Submarine Company?" breathed Jack Benson, intensely interested.

"Yes."

"The Sidenham people are our nearest competitors in the submarine business," muttered young Benson.

"Yes; and of course they wanted to get the business away from the Pollard crowd," confessed Sam Truax. "They told Tip Gaynor it would be worth ten thousand dollars to him for each Sidenham boat he could sell to the United States Government. Tip wanted that money, and your Pollard people were the hardest ones he had to beat. So Tip hired me—"

"One moment," interrupted Jack, quietly. "Did the Sidenham people know that Gaynor intended to use any such methods?"