"What's the matter?"
"Who fired that shot?"
"Vos dose rascals here to fight mit us alretty?"
"It's a bob cat!" cried Dick. "Tom just fired at it!"
"Look out, it's coming down!" yelled Tom, and that instant the bob cat, unable to support itself longer on the tree limb, fell with a snarl on the rubber covering of the launch, carrying it down upon those underneath.
The next few minutes things happened so rapidly that it is almost impossible to describe them. The bob cat rolled over and over, clawing at the rubber cloth and ripping it to shreds. The boys tried to get another shot, but did not dare to fire for fear of hitting each other. But the dog leaped in and caught the bob cat by the back of the neck, and an instant later cat and canine went whirling over the side of the boat into the waters of the lake.
"They are overboard!" cried Sam.
"Make a light, somebody!" yelled Songbird. "It isn't safe in the dark."
The acetylene gas lamp of the launch was ready for use, and striking a match Harold Bird lit it. The sharp rays were turned on the water, and there dog and bob cat could be seen whirling around in a mad struggle for supremacy.
Bang! went Dick's pistol. He had taken quick
