acted
so promptly. That very afternoon a message from the secret service
informed them that more transports were sailing.

"Come with me and get on your pine tree outfit, Willie," suggested
their leader. "You other boys go to your stations at once."

Henry's task henceforth was to trail the driver of the roadster. He
hurried away to his waiting motor-cycle. Lew was at the wireless key
again. Roy scurried out to the pine grove, and Willie followed his
captain to be "camouflaged." A few moments later, dressed in his new
brown clothes, and a chocolate brown in complexion, he slipped from the
house and joined Roy.

Impatiently they waited for the first transport to appear. It was a
long time coming. But finally Willie picked it out with his glasses,
far up the Bay, as it nosed its way steadily through the rolling waves.
Behind it was another transport. As the ships drew near, Willie
mounted as far up in the tree as he dared, crouching behind the tops of
the surrounding trees, and hugging his own tree trunk, motionless,
awaiting his opportunity to climb to his ultimate post. His heart beat
fast. His legs shook slightly with excitement. He was trembling all
over, so eager was he to make the ascent. On came the boats. Long ago
they had passed Robbin's Reef. Now they were well into the Narrows.
Suddenly the spy appeared at his window, sweeping the channel with his
glasses, his hands shutting off his vision on the sides, like blinders
on a horse. Quickly Willie scurried up the tree, wrapping himself
closely about the slender trunk, concealing as much of his body as he
could, and snuggling behind the sparse clumps of foliage. Then he
brought his glasses to bear, and sat silently studying the spy's house.

The interior of the dwelling was as he had guessed it to be. There was
no partition wall in the forward part of the building, a single column
upholding the ceiling, so that, above the low sash curtains, Willie
could see entirely through the glassed-in room. This was more than
comfortable. Willie saw a row of low book-shelves lining the north
side of the great room. There were numerous fine pictures and plaster
casts here and there. A piano stood in one corner, a talking-machine
in another. The light within seemed to flicker, and Willie guessed
that in the rear of the room, where he could not see it, a log was
burning in an open fireplace; for the days were growing very chilly.

But before Willie could