Approaching them through the gloom could be seen two beautiful specimens of the Kings of the Jersey jungles.

"It is a male und a female," whispered the Dutch Professor. "I can tell it because he vears someding like a Pajama hat, und she holds vun ving up like a skirt."

The committee clutched their repeating rifles closer and prepared for the worst.

"They are engaged to be married," Professor Glueface whispered; "he has just told her that he knows where to get good board and lodging in a Harlem flat. She calls him Percy. Her name is Evaline. Hss-s-s-sh!"

The warning was too late.

The Scourges of the Swamp had discovered the cage and drew nearer.

"He laughs at us," whispered Professor Glueface; "now he is telling her that the cage is only made of steel and it is a cinch. He has gone to get his drill. What is to be done?"

"In the interests of science," Uncle William whispered, "let us sneak out and run for the police with all our hearts."

And this they did while Percy was getting his drill ready.

Time, for the first 100 yards, nine seconds flat; for the rest of the distance about ten seconds on the average.