opened it up were those of a knife or scalpel. It was not—it was definitely not!—the work of an animal. But there were mountain-lion tracks, and nothing else. More, every one of the tracks was that of a hind foot! A true mountain-lion eats what he catches; he does not stand on his hind paws and dissect it with scientific precision. Nothing earthly had done this! Antonio's eyes bulged out. He thought instantly of magic, Black Magic. He could not imagine dissection in the spirit of scientific inquiry; to him, anything that killed and then acted in this fashion could only come from the devil. He gasped and fled, squawking. When he had run a good hundred yards, Salazar caught up to him, very much astonished. He overtook his master and went on ahead to see what had scared the man so. He made casts to right and left, then went in a conscientious circle all around the flock under his care. Presently he came back to Antonio, his tongue lolling out, to assure him that everything was all right. But Antonio was packing, with shaking hands and a sweat-streaked brow. In no case is the neighborhood of a mountain-lion desirable for a man with a flock of sheep. But this was no ordinary mountain-lion. Why, Salazar—honest, stout-hearted Salazar—did not scent a mountain-lion in those tracks. He would have mentioned it vociferously if he had, so this was beyond nature. The lion was un fantasmo or worse; Antonio's thoughts ran to were-tigers, ghost-lions, and sheer Indian devils. He packed, while Salazar scratched fleas and wondered what was the matter. They got the flock on the move. The sheep made idiotic efforts to disperse and feed placidly where they were. Salazar rounded them up and drove them on. It was hard work, but even Antonio helped in frantic energy—which was unusual. 2 Near noon, four miles from their former grazing-ground, there were mountain-peaks all around them. Some were snow-capped, and there were vistas of illimitable distance everywhere. It was very beautiful indeed, but Antonio did not notice; Salazar came upon buzzards again. He chased them with loud barkings from the meal they reluctantly shared with blow-flies and ants. This time it wasn't a rabbit; it was a coyote. It had been killed and most painstakingly taken apart to provide at a glance all significant information about the genus canis, species latrans, in the person of an adult male coyote. It was a most enlightening exhibit; it proved conclusively that there was a third type of animal, structurally