"Yes, remember it--bear it in mind!" exclaimed Archie, who seemed to think it his duty to give emphasis to what the others said. "Think of it continually." Arthur glared savagely upon Archie; but, fearing to irritate him and his friends further, by refusing to obey their commands, he shouldered his baggage, and walked sullenly toward the fire, around which the Rancheros were congregated, awaiting the summons to supper. "Benedict Arnold!" said Johnny, as soon as the traitor was out of hearing. Frank and Archie thought the name appropriate. It clung to Arthur as long as he remained in that part of California. CHAPTER XVI. THE ESCAPE. Had the huge bowlder in the middle of the glade suddenly burst into a thousand fragments, it could scarcely have created greater consternation than that which filled our three heroes, when they stretched themselves on their blankets, to discuss the treachery of their companion. Of course, the first question that arose was, What object could he have in view? A dozen different opinions were advanced, but none of them were correct. The boys were all satisfied now, that no ransom was to be demanded for Arthur, and they were quite willing to believe that he expected to share in the sixty thousand dollars which Pierre hoped to receive for them. They never imagined that the traitor had been instigated by a desire to be revenged upon them, and that all that had happened to them during the day was the result of the incidents that had transpired during their ride to the old fur-trader's ranch. "I really believe that Benedict Arnold belongs to this band of outlaws," said Frank. "If he does, that's all the good it will do him, as far as handling any of my uncle's money is concerned. It's lucky that we have found him out." "It's unfortunate that we didn't find him out long ago," said Archie, who had by this time recovered his usual good nature. "Our plans for escape are all knocked in the head for this night," continued Frank; "but we will hold ourselves in readiness to seize the first opportunity that is offered. Dick and Bob will be on our trail in a few hours." At this moment, Pierre entered the glade from the side opposite the spring, and stopped to say a few words to the sentinel, who immediately approached the prisoners, and took his stand within a few paces of them. "These villains must be afraid of us," said Frank, with a laugh. "They'd better be," returned Johnny. "I wouldn't like to have sixty thousand dollars wrapped up in such slippery customers as we are." "I wonder if Pierre thinks we can fly?" said Archie. "That's the only way I can see for getting out of here, while these robbers are all around us. I say, old fellow," he added, turning to the sentinel, "are you a good shot on the wing?" The Ranchero shrugged his shoulders, and tapped his revolvers significantly.