He had to repeat the call before the dog turned and ran back to his master, where he whined eagerly about the man's feet.

There was something uncanny and horrible about it; it was as if the dumb beast was asking for a life, and the life of a man.

The doctor turned back and walked thoughtfully to the house.
At the door he was met by Kate and a burst of eager questions, and he told, simply, all that he had seen.
"You'll get the details from Mr.Barry," he concluded.
"I know the details," answered the girl.

"He's found the trail and he knows where it points, now.

And he'll want to be following it before many hours have passed.