"Burglars!" yelled the doctor's son.
"Shoot them!"
"Don't let them get away alive!"
Then with a vigorous throw Snap landed his pail of stuff full upon the head of Ham Spink. Splosh! it struck the dudish youth squarely in the face and ear. Another splosh followed, and Carl Dudder was likewise decorated.
"Hi! wow!" spluttered Ham. "I—Oh, what a smell!"
"Oh, my eye!" groaned Carl. "Phew! what's this?"
"We're discovered!"
"What's this they threw on us?"
"Oh, did you ever smell such stuff?"
"Robbers! thieves!" yelled Snap and Shep. "Shoot them! Give them a dose of buckshot!"
"They are going to shoot us!" screamed Carl Dudder, and dodged down. Then he lost his footing on the wet and slippery rails, clutched at Ham to save himself, and both went down with a loud splash into the dirty water under the boathouse.
"There they go!" cried Shep.
"Let us scare them some more," whispered Snap. "Pretend you don't recognize them."
Quickly a lantern was lit and held over the open-
