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.
Tom Colquitt hesitated, glancing at young Mr.Hibbert.
"Tell 'em," nodded the young man of the four-quart hat.
"The young man we are seeking," replied the detective, "will have a brownish mole over his right shoulder blade and a reddish mark to the left of his breast bone.

The boy was born with those marks.
The nick in his ear resulted from an accident when the nurse was handling the child." "We'll find the youngster for you," promised Danny Grin lightly.
"And is Mr.Hibbert a detective, too ?" asked Tom Reade.
"No," replied Colquitt, with great promptness, while Mr.Hibbert, grinning sheepishly, added: "I haven't brains enough for that, I guess.

But, Master Holmes, please tell me, to satisfy my last doubt.

Have you any such marks as Mr.Colquitt has described ?" "I never noticed such marks on myself," Greg replied.
"He hasn't them," Dave interjected, "or the rest of us would have noticed the marks when we've been in swimming." "Then your last idea that Gregory Holmes is the missing young man must vanish now, my dear Mr.Hibbert," smiled Mr.Colquitt.
"I'm vanquished," confessed Alonzo Hibbert, with a sigh.

"I'm no good at anything.