"I will not," shouted the fellow. "See!"

He made a wild rush aft, holding the glittering blade high in air, and
seized the professor by the neck.

But help from an unexpected quarter was at hand, and next moment
Broomberg was sprawling on his back with Briton's great paws on his
chest.

Mutiny and ghosts and storm were at once forgotten. The men cheered
wildly, Broomberg's knife was snatched from his hand, and he himself
bound hand and foot, while everybody crowded round to shake hands with
the little professor, or to pat the noble dog who had saved his life.

But suddenly joy was changed to terror, for shriek after shriek could be
heard forward, and in a few seconds' time the cook rushed helter-skelter
up on deck, almost pale with fright, followed by the men of the watch
below.

"The ghosts!" somebody shouted.

The captain stood as if stupefied, the little professor's eyes were as
big as watch-glasses, and the mate had to catch hold of a back-stay to
prevent himself from falling.

The whole crew now took to the rigging, and the only marvel is that some
of them did not slip overboard and make food for the sharks.

"Look, look!--oh, look, sir!" shouted the mate with a cry like one in