able when alone, have fallen through the indiscretion of a trusted ally.
III
Once or twice, I had found indications that every thing was not quite right in the Currumpaw pack. There were signs of irregularity, I thought; for instance there was clearly the trail of a smaller wolf running ahead of the leader, at times, and this I could not understand until a cowboy made a remark which explained the matter.
"I saw them to-day," he said, "and the wild one that breaks away is Blanca." Then the truth dawned upon me, and I added, "Now, I know that Blanca is a she-wolf, because were a he-wolf to act thus, Lobo would kill him at once."
This suggested a new plan. I killed a heifer, and set one or two rather obvious traps about the carcass. Then cutting off the head, which is considered useless offal, and quite beneath the notice of a wolf, I set it a little apart and around it placed six powerful steel traps proper-
