“It’s a signal from Casco,” he said. “Something is wrong. Look around here, while I go and see what it is.”
He hurried off. Grogan sprang up a moment later, and almost immediately sighted Bob lying in the long grass.
“Who be yez?” he demanded, pouncing upon the youth.
Bob at once gave his whip-poor-will signal to warn Frank.
“Stand where you are, you rascal,” he said to Grogan.
“Bad cess to yez!” cried the Irishman. “Do yez think Oi’m to be overpowered by a b’y? Indade not.”
He rushed at Bob, and a desperate struggle ensued.
CHAPTER IV
BOB IS LEFT TO HIS FATE
Bob was strong for his age, but his strength was nothing compared with that of Mike Grogan, who now faced the intrepid youth.
The Irishman was every inch of six feet in height, and, as he towered in front of Bob, it looked as if he would crush the boy.