"That is true," said Frank. "It belongs to Mrs. Leroy, of Madison avenue, and I am employed to take it out for an airing."
"It's a lie!" said the man, sullenly.
"If you are seen again in this neighborhood," said the policeman, "I shall arrest you. Now clear out!"
The would-be thief slunk away, and Frank thanked the officer.
"That man is a dog-stealer," said the policeman. "His business is to steal dogs, and wait till a reward is offered. Look out for him!"
CHAPTER XII.
A WAYWARD SON.
When Frank carried Fido back to his mistress, he thought it his duty to tell Mrs. Leroy of the attempt to abduct the favorite.
Mrs. Leroy turned pale.