That's the story." He dropped to his knees and caught Bart as the big dog ran by.
"Find'em, Bart!" he whispered.

"Find'em!" And he struck sharply on the scar where the bullet had ploughed its way into Bart's flesh.
The answer of Bart was a yelp too sharp and too highly pitched to have come from the throat of any mere dog.

Once more he darted out and ran here and there, and Doctor Byrne heard the beast moaning as it ran.

Then Bart ceased circling and cut down the slope away from the hill at a sharp trot.
A cry of inarticulate joy burst from Dan, and then: "You've found it! You have it!" and the master ran swiftly after the dog.

He followed the latter only for a short distance down the slope and then stood still and whistled.