few moments later was in sight of
Musky Bay again.

CHAPTER XI.

A SWIM WITH A MEMORY.

"So they did find me out, after all?" said Captain Simms grimly, after
he had heard the boys' story. "Well, it will not do them much good. I am
well armed and the government is at my back. If I get the chance I will
deal with those rascals with no uncertain hand."

"Why don't you have them arrested right now?" asked Noddy.

"Because it would be premature to do so at the present moment. The
agents of several nations are keen on getting a copy of the code. If
these men were arrested, it would reveal, directly, the whereabouts of
the code and its author."

"It seems too bad such rascals can carry on their intrigues without
being punished," said Jack.

As it was noon by that time, and the appetites of all were sharp set,
Captain Simms invited the boys to have lunch with him. It was a simple
meal, consisting mainly of fish; but the boys did ample justice to it,
and finished up with some pie, which the captain had brought from
Clayton to replenish his larder.

After dinner the capricious breeze died out entirely. The heat was
intense, and the water glittered like a sheet of molten glass. The boys
looked longingly at the bay, however. The idea of a cool swim seemed
very attractive just then. Captain Simms had left them to their own
devices while he took a nap.

"Tell you what," said Billy, "let's take a swim, eh, fellows?"

"Suits me down to the ground," said Jack.

"Suits me down to the water," grinned Noddy.

They had bathing trunks on their boat, and, having found what looked
like a good spot, a little cove with a sandy beach, they disrobed and
were soon sporting in the water.

"Ouch! It's colder than I thought it was," cried Noddy.

"You'll soon warm up," encouraged Jack. "I'll race you out to that
anchored boat."

"Bully for you," cried Billy.

"You're on," echoed Noddy, not to be outdone. But, as a matter of fact,
the red-headed lad, who had eaten far more than the others, wasn't
feeling very well. However, he did not wish to spoil the fun, so he
didn't say anything.

Jack and Billy struck out with long, strong strokes.

"Come on," cried Jack, looking back at Noddy, who was left behind, and
who began to feel worse and worse. "What's the trouble--want a
tow-rope?"

"I'll beat you yet, Jack Ready," cried Noddy, fighting off a feeling of
nausea.

"I guess I went in the water too soon after eating," he