A veteran cave-hunter from Liverpool gladly joined me in a second visit to the Ceiriog Cavern. Our host could not be with us, but sent a village youth as his substitute. This young man was very keen and plucky, and, as things turned out, saved the situation, for my speleological friend, to his intense chagrin, failed to get through the narrow entrance to the parallel tunnel, and the two of us had to finish the job by ourselves. Climbing along the walls of the water-rift, we soon found it best to wade straight through the stream bed, and finally, when the space grew more and more restricted, to crawl through the water. Toward the end of the rift a small tunnel broke away to the left, and the water disturbed by our advance flowed into it and away down a small swallet. Wriggling through, heedless of a wetting, we came into a small chamber with four exits, each of which we explored, marking off each with a cross or arrow to prevent our losing the route back. Every branch led eventually to other points of divergence, and ultimately to small tunnels or pipes, through which the water flows in rainy weather into the head of the cavern. Having conscientiously examined every one, without finding the mythical passage to Oswestry, we returned to the tunnel of the swallet. One of the bifurcations, it was interesting to discover, led back unexpectedly into the water-rift. There were numberless chinks and fissures, and holes in the roof, leading into this network of passages, all very interesting as a concise example of the whole history of the formation of a cave; but the farthest point reached was, by measurement, only a little more than 500 feet from the entrance. Only in places were there stalactites, and those small ones. There were stalagmite curtains on the walls at one or two spots, and patches of very white amorphous tufa. Curious filaments of cave-weed, white and brown, without a vestige of leaves, abounded throughout the cavern. Not far above the cave mouth I came across the exit of the water, a beautiful spring, pouring down into the Ceiriog, a few yards away. On the top of the hill, in a disused Limestone quarry, there were traditions of a cave opening that had been covered by a landslip for some thirty years. A man was set to work digging it out, and a small fissure was disclosed, the old channel of a tributary leading into the middle of a cave running north-north-east and south-south-west. The total length was 172 feet. The water apparently entered at the top of the left passage and ran away into a low bedding cave to the right. The floor is wet clay at present, but there are traces of large stalagmites, including one handsome "beehive"; and the roof is covered with beautiful white and amber stalactites. Our further attempts to uncover openings into the Limestone only brought us down to the solid rock, and we found nothing to confirm the rumour that a cave exists which carried a stream down to the Ceiriog, 800 feet below.