"I heard him say, 'Who was that I passed outside, Jim?' 'Only a cross-country friend of mine,' says Jim. 'What friends are you entertaining here in these quarters?' says he, kind o' sharp like. 'An' sure,' says Jim, 'it was only Dan McCoy, the clerk of the big London lawyer who has come over with the young Mr. Mainwaring I've heard you speak of, and a right clever fellow he is, too!' 'Clerk!' he roars out, 'clerk, you blithering idiot! he's no more clerk than you are coachman, nor half so much, for you're fit for nothing but to take care of horses all your days! Do you want to know,' says he, 'who you've been entertaining?' That's no more nor less than Dan McCabe, a Scotland Yard man they've brought over, nobody knows what for, but whatever his game, he's made you play into his hand! I didn't stay to hear more," McCabe concluded, "I got out."
"But how does this Merrick know you?" Mr. Barton inquired, as the laughter caused by McCabe's recital subsided.
"He doesn't know me, he only knows of me," the man replied. "I found that out an hour or two later, when I met him in a crowd at the Wellington Hotel;" the speaker glanced curiously in the direction of Harold Mainwaring for an instant, and then continued, "I knew him by his voice, but I spoke with him, and he had no idea who I was."
"But how has he heard of you?" persisted Mr. Barton.
"There was an American detective—a friend of his—who came over on the 'Campania' on the same trip with Mr. Mainwaring. He was following up a case in London, but he managed to keep his eye on Mr. Mainwaring and kept this Merrick posted of all that he was doing. It was because of some remarks of his that I got wind of, that I determined from the first to get onto his game."
"Well, Mac," said Mr. Barton, tentatively, "are you ready to go to work now?"
The keen eyes flashed for an instant in the attorney's face, then the man answered quietly, "If you've nothing to tell me, I'm ready to go to work on my own hook and in my own way; if you've anything to say, I'll hear it."
Mr. Barton glanced at the others. "We had better tell McCabe what we have learned, and also just what our plans are."
The others bowed in assent, and the chairs were drawn closer together while Mr. Barton, in low tones, told, as briefly and clearly as possible, the discovery which they had made. McCabe listened to the attorney's story, but whether or not the secret were already guessed by him, his face gave no sign. When it was ended he glanced curiously at Harold Mainwaring.
"Mrs. LaGrange told you this?"