I caught the spyglass which he thrust out to me, and fixed it upon that distant peak with burning eagerness. The Mexican mountains, the fabled sierras of New Spain! Had we at last sighted the snowy crest of their nearest peak? Was this one of that sierra of which Alisanda had spoken, my Barrier of Rock, the Sangre de Cristo? We rode on, too overcome to speak, held in throbbing suspense between delight over our discovery and dread lest it should prove to be some illusion of cloud and light. But within another two miles there came an end to all doubt. Before us, from one of the higher hill-tops there stretched out along the western horizon an enormous barrier of snowy mountains, extending to the north and south farther than eye or glass could see. My heart gave a great leap at that wonderful sight. In my mind there was no longer the slightest doubt. I knew that before me upreared the barrier that I must cross to reach my lady. Not until the men came up with us and burst into cheers for the great white mountains of Mexico did I rouse from my daydream of Alisanda. Before me, as real as life, I had seen imaged her beautiful pale face, with the scarlet lips parting from the pearly teeth, and the velvety black eyes gazing at me full from beneath the edge of the veiling mantilla. Such was the vision--whose reality I knew to be awaiting me somewhere south and west, beyond that snowy sierra. I drew in a full breath and joined in the loud cheering of my comrades. While the air yet rang with the last of our wild cheers, our commander faced about, with upraised hand, and called in resolute tones: "Men! we have toiled, we have undergone dangers. We know not what dangers lie before us: Winter is at hand; our horses are fast failing; we are outfitted only for Summer travel. Yet what of all that? We have outfaced the Pawnees; we have traversed this vast desert; we have held to the track of the Spanish invaders of our territories. Before our eyes uprear the unknown mountains of the West,--mountains upon which our countrymen have never before set eyes; of which no American has ever heard, unless it be the vague and misleading reports of the Spaniards. Men! we will not turn back with the goal of our toilsome marches in view!" "No! no! Lead us on, sir!" shouted Sergeant Meek, and every man caught up the cry: "Lead us on, sir! lead us on! No turning back!" Our commander flushed, and his blue eyes sparkled. "Ah, my brave men! I was certain of your mettle! We will ascend these mountains; we will explore the utmost boundaries of Louisiana; and if the Spaniards seek to check us--" "We'll raise a little dust, sir!" cried young Sparks, flourishing his musket. "Perhaps!" returned the Lieutenant, looking about at us with a shrewd smile. "If it comes to that, they will not find us backward. But do not count too much on hostilities. We are here, not to fight, but to explore the limits of the Territory."