to the other began occasionally “Dear Will.” They were missives such as a wife might write to a husband long absent, yet upon a mission of deep interest to both. Keith could not fully determine what this mission might be, as the persons evidently understood each other so thoroughly that mere allusion took the place of detail. Twice the name Phyllis was mentioned, and once a       “Fred” was also referred to, but in neither instance clearly enough to reveal the relationship, although the latter appeared to be pleaded for. Certain references caused the belief that these letters had been mailed from some small Missouri town, but no name was mentioned. They were invariably signed “Mary.” The only other paper Keith discovered was a brief itinerary of the Santa Fé trail extending as far west as the Raton Mountains, giving the usual camping spots and places where water was accessible. He slipped the papers back into his pocket with a distinct feeling of disappointment, and lay back staring up at the little strip of blue sky. The silence was profound, even his horse standing motionless, and finally he fell asleep.     

       The sun had disappeared, and even the gray of twilight was fading out of the sky, when Keith returned again to consciousness, aroused by his horse rolling on the soft turf. He awoke thoroughly refreshed, and eager to get away on his long night's ride. A cold lunch, hastily eaten, for a fire would have been dangerous, and he saddled up and was off, trotting out of the narrow ravine and into the broad trail, which could be followed without difficulty under the dull gleam of the stars. Horse and rider were soon at their best, the animal swinging unurged into the long, easy lope of prairie travel, the fresh air fanning the man's face as he leaned forward. Once they halted to drink from a narrow stream, and then pushed on, hour after hour, through the deserted night. Keith had little fear of Indian raiders in that darkness, and every stride of his horse brought him closer to the settlements and further removed from danger. Yet eyes and ears were alert to every shadow and sound. Once, it must have been after midnight, he drew his pony sharply back into a rock shadow at the noise of something approaching from the east. The stage to Santa Fé rattled past, the four mules trotting swiftly, a squad of troopers riding hard behind. It was merely a lumping shadow sweeping swiftly past; he could perceive the dim outlines of driver and guard, the soldiers swaying in their saddles, heard the 

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