<SPAN name="chap16"></SPAN>
<h3> Chapter XVI </h3>
<h3> On the Watch </h3>
<p>The mystery of the disappearance of the ten men—for mystery it
was—remained, and as no side opening or passage could be found within
the tunnel, it came to be the generally accepted explanation that the
laborers had come out unobserved, and, for reasons of their own, had
run away.</p>
<p>This habit on the part of the Peruvian workers was not unusual. In
fact, the Titus brothers had to maintain a sort of permanent employment
agency in Lima to replace the deserters. But they were used to this.
The difference was that the Indians used to vanish from camp at night,
and invariably after pay-day.</p>
<p>"And that's the only reason I have a slight doubt that they walked out
of the tunnel," said Job Titus. "There was money due em."</p>
<p>"They never came out of the front entrance of the tunnel," said Tom.
"Of that I'm positive."</p>
<p>But there was no way of proving his assertion.</p>
<p>The third blast, while not as successful as the second in the amount of
rock loosened, was better than the first, and made a big advance in the
tunnel progress. Tom was beginning to understand the nature of the
mountain into which the big shaft was being driven and he learned how
better to apply the force of his explosive.</p>
<p>That was the work which he had charge of—the placing of the giant
powder so it would do the most effective work. Then, when the fumes
from the blast had cleared away, in would surge the workmen to clear
away the debris.</p>
<p>Under the direction of Mr. Swift, left at Shopton to oversee the
manufacture of the explosive, new shipments came on promptly to Lima,
and were brought out to the tunnel on the backs of mules, or in the
case of small quantities, on the llamas. But the latter brutes will not
carry a heavy load, lying down and refusing to get up if they are
overburdened, whereas one has yet to find a mule's limit.</p>
<p>After his first success in getting the natives to take a more active
interest in the gathering of the cinchona bark, Mr. Damon found it
rather easy, for the story of Tom's electric rifle and how it had
killed the mad dog spread among the tribes, and Mr. Damon had but to
announce that the "lightning shooter," as Tom was called, was a friend
of the drug concern to bring about the desired results. Mr. Damon, by
paying a sort of bribe, disguised under the name "tax," secured the
help of Peruvian officials so he had no trouble on that score.</p>
<p>Koku was in his element. He liked a wild life and Peru was much more
like the country of giants where Tom had found him, than any place the
big man had since visited. Koku had great strength and wanted to use
it, and after a week or so of idleness he persuaded Tom to let him go
in the tunnel to work.</p>
<p>The giant was made a sort of foreman under Tim, and the two became
great friends. The only trouble with Koku was that he would do a thing
himself instead of letting his men do it, as, of course, all proper
foremen should do. If the giant saw two or three of the Indians trying
to lift a big rock into the little dump cars, and failing because of
its great weight, he would good-naturedly thrust them aside, pick up
the big stone in his mighty arms, and deposit it in its place.</p>
<p>And once when an unusually big load had been put in a car, and the mule
attached found it impossible to pull it out to the tunnel mouth, Koku
unhitched the creature and, slipping the harness around his waist,
walked out, dragging the load as easily as if pulling a child on a sled.</p>
<p>Professor Bumper kept on with his search for the lost city of Pelone.
Back and forth he wandered among the wild Andes Mountains, now hopeful
that he was on the right trail, and again in despair. Tom and Mr. Damon
went with him once more for a week, and though they enjoyed the trip,
for the professor was a delightful companion, there were no results.
But the scientist would not give up.</p>
<p>Tom Swift was kept busy looking after the shipments of the explosive,
and arranging for the blasts. He had letters from Ned Newton in which
news of Shopton was given, and Mr. Swift wrote occasionally. But the
mails in the wilderness of the Andes were few and far between.</p>
<p>Tom wrote a letter of explanation to Mr. Nestor, in addition to the
wireless he had sent regarding the box labeled dynamite, but he got no
answer. Nor were his letters to Mary answered.</p>
<p>"I wonder what's wrong?" Tom mused. "It can't be that they think I did
that on purpose. And even if Mr. Nestor is angry at me for something
that wasn't my fault, Mary ought to write."</p>
<p>But she did not, and Tom grew a bit despondent as the days went by and
no word came.</p>
<p>"I suppose they might be offended because I left Rad to do up that
package instead of attending to it myself," thought Tom. "Well, I did
make a mistake there, but I didn't mean to. I never thought about
Eradicate's not reading. I'll make him go to night school as soon as I
get back. But maybe I'll never get another chance to send Mary
anything. If I do, I'll not let Rad deliver it—that's sure."</p>
<p>The feeling of alarm engendered among the Indians by the disappearance
of their ten fellow-workers seemed to have disappeared. There were
rumors that some of the mysterious ten had been seen in distant
villages and settlements, but the Titus brothers could not confirm this.</p>
<p>"I don't think anything serious happened to them, anyhow," said Job
Titus one day. "And I should hate to think our work was responsible for
harm to any one."</p>
<p>"Your rivals don't seem to be doing much to hamper you," observed Tom.
"I guess Waddington gave up.</p>
<p>"I won't be too sure of that," said Mr. Titus.</p>
<p>"Why, what has happened?" Tom asked.</p>
<p>"Well, nothing down here—that is, directly—but we are meeting with
trouble on the financial end. The Peruvian government is holding back
payments."</p>
<p>"Why is that?"</p>
<p>"They claim we are not as far advanced as we ought to be."</p>
<p>"Aren't you?"</p>
<p>"Practically, yes. There was no set limit of work to be done for the
intermediate payments. We bonded ourselves to have the tunnel done at a
certain date.</p>
<p>"If we fail, we lose a large sum, and if we get it done ahead of time
we get a big premium. There was no question as to completing a certain
amount of footage before we received certain payments. But Senor
Belasdo, the government representative, claims that we will not be done
in time, and therefore he is holding back money due us. I'm sure the
rival contractors have set him up to this, because he was always decent
to us before.</p>
<p>"Another matter, too, makes me suspicious. We have tried to raise money
in New York to tide us over while the government is holding up our
funds here. But our New York office is meeting with difficulties. They
report there is a story current to the effect that we are going to
fail, and while that isn't so, you know how hard it is to borrow money
in the face of such rumors. We are doing all we can to fight them, of
course, and maybe we'll beat out our rivals yet.</p>
<p>"But that isn't all. I'm sure some one is on the ground here trying to
make trouble among our workers. I never knew so many men to leave, one
after another. It's keeping the employment agency in Lima busy
supplying us with new workers. And so many of them are unskilled. They
aren't able to do half the work of the old men, and poor Tim Sullivan
is in despair."</p>
<p>"You think some one here is causing dissensions and desertions among
your men?"</p>
<p>"I'm sure of it! I've tried to ferret out who it is, but the spy, for
such he must be, keeps his identity well hidden."</p>
<p>Tom thought for a moment. Then he said:</p>
<p>"Mr. Titus, with your permission, I'll see if I can find out about this
for you."</p>
<p>"Find out what, Tom?"</p>
<p>"What is causing the men to leave. I don't believe it's the scare about
the ten missing ones."</p>
<p>"Nor do I. That's past and gone. But how are you going to get at the
bottom of it?"</p>
<p>"By keeping watch. I've got nothing to do now for the next week. We've
just set off a big blast, and I've got the powder for the following one
all ready. The men will be busy for some time getting out the broken
rock. Now what I propose to do is to go in the tunnel and work among
them until I can learn something.</p>
<p>"I can understand the language pretty well now, though I can't speak
much of it. I'll go in the tunnel every day and find out what's going
on."</p>
<p>"But you'll be known, and if one of our men, or one who we suppose is
one, turns out to be a spy, he'll be very cautious while you're in
there."</p>
<p>"He won't know me," Tom said. "This is how I'll work it. I'll go off
with Professor Bumper the next time he starts on one of his weekly
expeditions into the woods. But I won't go far until I turn around and
come back. I'll adopt some sort of disguise, and I'll apply to you for
work. You can tell Tim to put me on. You might let him into the secret,
but no one else."</p>
<p>A few days later Tom was seen departing with Professor Bumper into the
interior, presumably to help look for the lost city. Mr. Damon was away
from camp on business connected with the drug concern, and Koku, to his
delight, had been given charge of a stationary hoisting engine outside
the tunnel, so he would not come in contact with Tom. It was not
thought wise to take the giant into the secret.</p>
<p>Then one day, shortly after Professor Bumper and Tom had disappeared
into the forest, a ragged and unkempt white man applied at the tunnel
camp for work. There was just the barest wink as he accosted Mr. Titus,
who winked in turn, and then the new man was handed over to Tim
Sullivan, as a sort of helper.</p>
<p>And so Tom Swift began his watch.</p>
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