At length the field-cornet resorted to a plan—much practised by the boers of Southern Africa for ridding their farms of these and similar “vermin.” It was the “gun-trap.”

Now there are several ways of constructing a gun-trap. Of course a gun is the principal part of the mechanism, and the trigger pulled by a string is the main point of the contrivance. In some countries the bait is tied to the string, and the animal on seizing the bait tightens the string, draws the trigger, and shoots itself. In this way, however, there is always some uncertainty as to the result. The animal may not place its body in the proper position with regard to the muzzle, and may either escape the shot altogether, or may be only “creased,” and of course get off.

The mode of setting the “gun-trap” in South Africa is a superior plan; and the creature that is so unfortunate as to draw the trigger rarely escapes, but is either killed upon the spot, or so badly wounded as to prevent its getting away.

Von Bloom constructed his trap after the approved fashion, as follows:—Near the camp he selected a spot where three saplings or young trees grew, standing in a line, and about a yard between each two of them. Had he not found these trees so disposed, stakes firmly driven into the ground would have answered his purpose equally well.

Thorn-bushes were now cut, and a kraal built in the usual manner—that is with the tops of the bushes turned outwards. The size of the kraal was a matter of no consequence; and, of course, to save labour, a small one was constructed.

One point, however, was observed in making the kraal. Its door of opening was placed so that two of the three saplings stood like posts, one on each side of it; and an animal going into the enclosure must needs pass these two trees.

Now for the part the gun had to play.

The weapon was placed in a horizontal position against two of the saplings,—that is, the stock against the one outside the kraal, and the barrel against one of the door-posts, and there firmly lashed. In this position the muzzle was close to the edge of the entrance, and pointing directly to the sapling on the opposite side. It was at such a height as to have ranged with the heart of a hyena standing in the opening.

The next move was to adjust the string. Already a piece of stick, several inches in length, had been fixed to the small of the stock, and, of course, behind the trigger. This was fastened transversely, but not so as to preclude all motion. A certain looseness in its adjustment gave it the freedom required to be worked as a lever—for that was its design.

To each end of this little stick was fastened a string. One of these strings was attached to the trigger; the other, after being carried through the thimbles of the ramrod, traversed across the entrance of the kraal, and was knotted upon the opposite side to the sapling that stood there. This string followed the horizontal direction of the barrel, and was just “taut;” so that any farther strain upon it would act upon the little lever, and by that means pull the trigger; and then of course “bang” would go the roer.