But the collie needed no effort of that sort.

At first sight and scent, he knew well to what tribe the furry gray newcomer belonged.

And, with a trumpet-bark of joyous challenge, he dashed at it.
The creature fluffed itself to double its former size.

Then, spitting and yowling, it ran up the nearer of the two gumbo-limbo trees.

The dog reached the foot of the tree a fraction of a second too late to seize the fox-like tail of his prey.