y ran to the window to see what the _Patrol_ would do. On and on
it went, as though it had no intention of stopping, and cold beads of
perspiration stood out on Captain Hardy's forehead, and he clasped and
unclasped his hands in his excitement. On went the boat. Captain
Hardy tore back to Henry's side.
"What do they say?" he demanded.
"They're coming, sir."
Again the captain stepped to the window. The little steamer was just
beginning to turn.
"Get your hats and coats, quick," ordered the leader.
In a second the scouts were ready. In another, the little party
emerged from the house and started pell-mell down the hill in a mad
race to reach the landing before the police-boat got there.
Boat and boys touched the wharf at almost the same instant, and Captain
Hardy's party leaped aboard before the steamer had entirely lost her
headway. An officer stood at the gunwale, peering through the dark at
the figures that swarmed aboard.
"I'm Lieutenant Gavigan, in command," he said, advancing toward Captain
Hardy. "Are you the party that called us?"
"Yes," replied Captain Hardy.
A look of astonishment came over the lieutenant's face. "Your wireless
said we was wanted by the secret service," said the puzzled lieutenant,
"but these boys do not belong to the secret service. And I don't know
you, either."
"I will explain everything," said Captain Hardy, "but make haste.
We're after German spies that are to meet at Hell Gate at nine o'clock.
Crowd on every ounce of steam you can."
"Hell Gate!" said the lieutenant sarcastically. "And do you think I'm
going to take you to Hell Gate, just on your say-so--you and a crowd of
kids I don't know from Adam? What do you think would happen to
Lieutenant Gavigan if he went gallivantin' round the Bay without orders
on joy rides like that? Nothin' doin'."
Captain Hardy smothered the indignation he felt, and began to explain
courteously. "Lieutenant Gavigan," he said, "I am Captain Hardy of the
United States Medical Reserve Corps and these boys are members of the
Camp Brady Wireless Patrol. Last summer we did the wireless work for
some of the Pennsylvania troops guarding public works, and in the
course of our duties were fortunate enough to detect and capture some
German spies who were endeavoring to blow up a great reservoir and
cause another flood like that which wiped out Johnstown. For the last
few weeks we have been helping the United States secret service
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