The Young Engineers in Mexico - Part 12
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Part 12

"But what's the matter?"

"I couldn't sleep," Tom whispered.

"You--troubled with nerves!" gasped Hazelton.

"Not just the way you understand it," returned Tom. "But I was thinking, thinking, and I sat by the window yonder. Come over there, Harry, but step without noise."

Wondering what it all meant, Hazelton softly followed his chum to the open window.

"Now, look," said Tom, pointing, "and tell me what you see."

"A moment ago I thought I saw a light twinkling over there among the hills."

"Look sixty seconds longer, and you'll see more lights, Harry; those lights are on the trail that leads from the nearest gold mines to _El Sombrero_. It is the trail Don Luis pointed out to us to-day."

"But what--"

"Harry, I'm going to get on my clothes and slip over in that direction.

Do you want to go with me?"

"Yes; but what--"

"I can tell you better when we're on the way. Come on; dress! We can easily leave the house without being detected."

Though Harry had already been through hosts of adventures, he felt creepy as he dressed with speed and stealth, bent on slipping un.o.bserved out of their employer's house. But he was used to following his chum's lead.

When both were ready, which was very soon, Tom softly opened the door of their parlor, thrusting one foot out into the broad corridor.

As he did so he kicked against a man lying prostrate on the floor.

It was Nicolas, the Mexican attendant, sleeping across their threshold that he might be on hand when wanted.

The man stirred, muttered something almost inaudible, then gradually began to breathe more deeply. Tom, after waiting, took a step over the body of Nicolas. Harry closed the door behind them, then followed. Soon after they stood out on the lawn.

"I'm glad Nicolas went to sleep again," muttered Tom, in a low voice. "The fellow would have insisted on following us, and I wouldn't want him with us to-night, to tell Don Luis everything."

"But what on earth--"

"Harry, old fellow, Don Luis is the essence of courtesy. He has been very polite to us, too. Yet something has aroused a suspicion in me that Don Luis Montez wishes to use us in some way that we wouldn't care to be used. So I'm saying little, but my eyes are going to be open all the time from now on."

"Oh, Don Luis must be on the square," Hazelton retorted. "What could he want of us that is crooked?"

"I don't know, yet," Tom replied, as he led the way rapidly down the road. "But I'm going to watch, and, if there's anything wrong, I'm going to get a line on it."

"_El Sombrero_ is Don Luis's own mine. Surely he hasn't hired us to fool him about his own property."

"I don't know what it is that's wrong," Tom admitted. "Nor am I sure that anything is wrong. But I'm going to do my own watching and gather some of my own information. See, there are the lights on that trail beyond, and there are several lights. It looks like a caravan moving down the trail."

"A caravan?" Harry repeated. "Of what?"

"I don't know, Harry. That's what I'm here to-night to find out."

Brisk, soft walking brought them nearer and nearer to the twinkling lights along the trail that ran into their own road at a point lower down.

"I wish I knew what on earth Tom is thinking about," Harry muttered to himself. "However, I may as well save my breath just now. If I hang to him I'm likely to know what it is."

"We'll reach a hiding place from which we can watch that caravan, or whatever it is, turn from the hill trail into this road," Tom whispered, after they had gone somewhat further.

At this point the main road that ran from. Don Luis's estate to his mine was decidedly irregular. Many boulders jutted out, making a frequent change in the course of the road necessary.

It was Tom's intention to gain the nearest ledge of rock of this sort to the hill trail, and there hide to watch the caravan.

They had nearly reached this point when out of the darkness a figure stole softly to meet them.

"Nicolas!" muttered Tom, in a low voice, all but rubbing his eyes.

"How on earth did you get here?"

"Am I not commanded to keep with you everywhere, and serve you in all things?" demanded the servant. "Do not go around that next point in the road, _caballeros_. If you do, you will run straight into Pedro Gato, who has other men with him."

CHAPTER VII

DON LUIS'S ENGINEERING PROBLEM

"Gato?" whispered Harry. "What is he doing around here?"

"There is no reason why we should care what he is doing," Tom returned. "He isn't in the employ of the mine. Come along, Harry."

But Nicolas seized the young chief engineer by the arm.

"Beat me, if you will, Senor Americano," pleaded Nicolas. "But don't encounter Gato. It would be as much as your life is worth."

"Why? Is Gato on the warpath for us?" Tom questioned.

"I fear so," Nicolas answered. "Don't let him see you."

"But I must see him, if the fellow is out for us," muttered Tom.

"Show me where he is."

"He and three or four men are camped just around there," said the Mexican servant, pointing.

"Come along, Harry," Tom whispered. "Go cat-foot."

Ere the young engineers came in sight around the turn a slight glow of light against the stones caught their glance. Tom held a hand behind him as a signal to Hazelton to slow up. Then Reade peered around a jutting ledge of rock.

On the ground, around a low camp-fire, were seated four Mexicans.

Two of the number had rifles, that lay on the ground near them.

Behind them, an ugly scowl on his face, sat Gato, his back resting against a rock.