"This will be a tight hole to squeeze through," soliloquized the new arrival, as he noted the elaborate precautions taken against any attempt on the part of the prisoners to escape. The double gateway was strongly guarded by armed troops, assisted by a particularly ferocious-looking type of dog. Between the outer and inner rectangular fences, a distance of fifty feet, more guards kept vigilant watch; while at frequent intervals tall look-out boxes had been erected to enable the sentries to keep the whole of the camp under observation. Both fences were made of barbed wire, supported by massive posts, and so Criss-crossed that even a cat would have had considerable difficulty in creeping through without injury from the sharp spikes.