"And we'd enjoy it, too, thank you," responded Tom courteously, "but there is a point, sir, past which it would be imposition to go. So we are going to content ourselves with enjoying a very pleasant recollection of the good time we had with you this afternoon."

"Better come inside with us," urged Mr. Colquitt. "I notice a table, away over in the corner, where we can be by ourselves. You see, boys, after what Hibbert said to one of your number this afternoon, we feel that an explanation is due to you. We can explain inside much better than we could on a street corner."

That crowbar of curiosity wedged the boys away from their fear that they were accepting too much from strangers. So they followed their mysterious conductors inside. Young Mr. Hibbert ordered ices similar to those that had been enjoyed that afternoon. Then Mr. Colquitt, with a brisk air, began:

"Concerning that suspicion that young Holmes might be the missing heir to a large sum of money, I'll tell you how Mr. Hibbert got his idea."

Then, as though fearing that he had made too great a promise,
Mr. Colquitt paused.

"It's this way," he went on, at last. "Many years ago there was a railway wreck in this part of the state. A good many passengers were killed. Among them was the wife of a wealthy man. The husband escaped with his life, but he was so badly hurt that, for a year or so, his mind suffered. He had to be taken abroad. There were a few babies among those killed in the wreck, and the infant son of the couple was supposed to be one of them. The father is now well and healthy, but a very lonely man. Within the last few weeks this father has had some reason to believe that his son didn't perish in the wreck, but that other people, believing both parents had been killed, took charge of the infant.

"That is all," continued Mr. Colquitt, "except that the missing infant had a small v-shaped nick on the outer edge of his right ear. Probably with the boy's growth, if he is still alive, the nick has become so small as to be barely noticeable, like the nick in Holmes' right ear. Mr. Hibbert came to Gridley only yesterday, and it happened that one of the first young men he saw, close to the hotel, was young Holmes. Rather by chance Hibbert saw that very small nick, that usually would escape notice. In great excitement Hibbert telegraphed the anxious father, and the father wired Blinders' detective agency, which sent me down to Gridley."

"It isn't possible that Greg can be the missing son," breathed
Tom Reade incredulously.

"He isn't," declared Tom Colquitt promptly. "I made sure of that very soon after I reached town to-day. First of all, I found out the name of the family physician, Dr. Bentley. I saw that gentleman, and he assured me he knew that young Holmes was the son of Mr. and Mrs. Holmes, for Dr. Bentley told me that he signed young Greg's birth certificate. That was proof enough, but I also saw Mr. and Mrs. Holmes, a few minutes ago. The missing son of the wealthy man in question had two other marks on his body that would identify him."

"What are those marks?" asked Dave Darrin deeply interested.