In the other she saw the glint of a knife, felt the confining rope sever, felt the strong push which separated them from the float and then, just as a great dog, fiercely silent now, bounded from the path above, a paddle rose and dipped and they shot out into the lake.
"If he follows and tries to overturn us I'll have to shoot him," said the doctor cheerfully.

"But he won't.

Hark to him!" The long bay of the baffled dog rose to the stars.
"There was an extra paddle in the boat-house," he explained.

"I took it out when we first came down--in case of accident.

Old She-who-must-be-obeyed must have forgotten it.