and here came to a halt. The dropping water could be plainly heard, and Joe flashed his torch in several directions in the hope of catching sight of the stream.
"I'm going to climb the rocks," he said, after a pause. "Perhaps there is another opening behind them."
"Remember what Benson said, and be careful," cautioned his cousin. "There is no use in taking a risk for nothing."
"Yes, I'll be careful," answered Joe, and crawled forward with care. Darry held his torch as high up as possible, to light the way.
The youth had advanced a distance of fifty feet when he came to a turn in the passageway. Here the side walls were not over two yards apart, while the roof could be touched with ease.
Thinking the walking better at this point, Joe struck out once more. The flare from his torch showed him something of a chamber ahead, and the water sounded closer than ever.
But hardly had the lad taken a dozen steps when the smooth rock upon which he was advancing tilted up, sending him headlong. As he went down the torch was knocked from his hand. Then he slid forward into the darkness.
"Help!" he managed to cry. "Help!"
"What's up?" came from Darry, but the words were drowned out in the crashing of one stone against another. In the meantime Joe had fallen, he knew not whither. He landed on some soft ground, turned over and slid along, and then took a second drop. A stone fell beside him and pinned his jacket to the ground.
For the moment the lad was too dazed and bewildered to do anything but try to get back his breath. Then, as it gradually dawned upon him that he was not hurt in the least, he endeavored to arise.
"Fast!" he muttered, and tore his jacket away from under the rock. Then he turned about, trying to locate his torch. But that was missing, and all was dark around him.
"I'm in a pickle now," he thought. "I wish I had taken old Benson's advice and remained around the camp-fire. But who would have imagined that big rock would play a fellow such a trick? How in the world am I to get back again?"
From a great distance he could hear Darry shouting to him. He tried to answer his cousin, but whether or not his voice was heard he could not tell.
With his hands before him, he moved around, and scarcely had he taken a dozen steps when he slid down a rocky incline. Here there was water; and he shivered, thinking he might be dropping into an underground stream from which there would be no escape. But when a pool was gained it proved to be but several inches deep.
As Joe stood in the pool there came a sudden rumble of thunder to his ears. He listened, and by the sounds became convinced that an opening into the outer air could not be a great way off. Then came an unexpected flash of reflected light on the rocks by his side.
"Hurrah, that light came from outside!" he cried. "I'm not buried alive, after all. But I may be a good way from daylight yet."
He had some matches in his box, and lighting one of these he discovered a passageway below him, running off to his left. Further on he picked up a bit of dry wood and lit this. It made rather a poor torch, but proved better than nothing.
"Now to get out, and then to find my way back to where I left old Benson," was his mental resolve.
With extreme caution he stole forward to where the lightning revealed a distant opening. He did not leave one foothold until he was sure of the next, for he had no desire to experiment with another moving rock.
The thunder now reached his ears plainly, and the lightning at times made the front of the cave as bright as day.
"It's quite another place," was his thought. "That dangerous passage connects the two."
Suddenly, as Joe was advancing, he heard a clatter of horses' hoofs, and into the cave ahead rode three rough-looking men, all armed with rifles and pistols and each carrying small saddle-bags across his steed.
At first Joe thought to call out to the newcomers, but he checked himself, for their appearance was decidedly against them.
"I'll try to find out something about them first," he muttered. "Perhaps they belong to that gang of bad men Benson was telling us about yesterday." And then, as the three came to a halt in the center of the outer cave and dismounted, he crept closer, in the shadow of some sharp rocks, to overhear what they might have to say.
CHAPTER III
AN IMPORTANT CONVERSATION
"Who ever saw such a downpour before?" growled one of the three men, as he switched the water from his soft felt hat. "I'm wet to the skin."
"I'm no better off," replied one of the others. "I think we were fools to leave Macklin's place, Gilroy."
"Just what I think, Fetter," said the third man. "We could have waited as well as not."
"Yes, we could have waited, Potts," answered Matt Gilroy; "but, to tell the truth, I don't want to trust Macklin too far. He might play us foul."
"He wouldn't dare to do that," returned Gus Fetter.
"Why not – if he thought he would get a reward?" came from Nat Potts, the youngest of the trio. "One thing is certain, Macklin is crazy to make money."
"I know a thing or two of Macklin's past – that's why," went on Gus Fetter. "If he got us into trouble I wouldn't keep silent about him, and he knows it."
"Macklin is slippery, no two ways about it," said Matt Gilroy, as he took off his jacket and wrung the water out. "I am not inclined to trust him, and that is all there is to it."
"Did he ever belong to the old gang?" questioned Nat Potts. "Some say he did, and some say he didn't."
"He was a hanger-on, that's all," came from Matt Gilroy. "He was always afraid to take the chances of being shot, but was on hand when the spoils were divided. They used him as a messenger and a spy, but I don't believe he ever really helped to hold up a coach."
"Humph, then it's a wonder the old crowd had anything to do with him!"
"Oh, they had to have messengers and spies, and they never gave Macklin more than was coming to him, you can bet on that! I understand that when the Riverton coach was held up six years ago, and the gang got twenty-two thousand dollars, they gave Macklin five hundred, and he was glad to get that."
"That was a big haul!" cried Nat Potts enthusiastically. "I wish I had been in it."
"The gang was followed for two days – by the soldiers under Colonel Fairfield," went on Matt Gilroy, as he threw himself on the rocks, leaving his companions to start up a fire. "They had a hot time of it over to Bear Pass, I can tell you. Two men were shot, and one of them, Dan Hickey, my old chum, died from his wounds. They say Colonel Fairfield himself fired the shot that took poor Hickey in the head, and if that's so – well, I've got an account to square with the colonel, that's all."
"You can square that after we've had our little interview with the quartermaster," returned Gus Fetter with a hard laugh.
"That's right – we'll be sure to have the soldiers after us," put in Nat Potts. "They'll be doubly mad when they learn that the hold-up resulted in the emptying of the box with their wages."
"It will be a good haul if it goes through, boys. The quartermaster will be carrying not less than twelve thousand dollars of the government's money besides
