Behind him, unseen, came a phantom, always gaining on him, and driving him along the giddiest wallaby tracks.

If he could only turn and face it, he might conquer, but he dare not.

At length the path grew narrower and narrower, and he turned in desperation and awoke--woke to see in the dim morning light a dark figure bending over him.

He sprang up, and clutched it by the throat.
"A most excellent fellow this!" said the voice of Doctor Mulhaus.

"He sends a frantic midnight message for his friend to come to him, regardless of personal convenience and horseflesh; and when this friend comes quietly in, and tries to wake him without disturbing the sick folks, he seizes him by the throat and nearly throttles him." "I beg a thousand pardons, Doctor," said Tom; "I had been dreaming, and I took you for the devil.