Lad's soft eyes took on a glint of eager curiosity; and he sniffed the still air for further clues as to the nature of the fun.

A number of humans,--to judge by the racket,--were shouting and screaming; and the well-understood word, "dog," formed a large part of their clamor.

Also, there were real dogs mixed up in the fracas; and more than one of them had blood on him.

So much the collie's uncanny senses of smell and of hearing told him.
Lad whimpered, far down in his throat.

He had been left here to guard this car.