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THE POPULAR SCIENCE MONTHLY.

to the natives in the place of fire, and saving them an infinity of trouble with their cooking and washing arrangements. One desirable result of the abundance of warm baths is the undoubted cleanliness of the people.

About a mile farther along the banks of the lake, we came to what is called the Sulphur Point. It certainly deserved its name. The surface of the ground is literally honeycombed with pools of boiling water and mud-holes, impregnated with sulphur or alum. The smell was perfectly fearful. One mud-bath that we ventured into certainly did not look tempting; great waves of thick brown mud bubbled up in the middle of the pool, and rolled lazily toward its sides. It was just a pleasant temperature, very smooth and oily, and, notwithstanding its appearance, decidedly a success. We next tried a pool of thinner mud, and ended with a swim in the cold waters of the lake, feeling all the better for our strange experience. All the pools have been given stupid English names by the hotel-keeper; the one we first bathed in is known as "Painkiller," and enjoys a high reputation for curing rheumatism. It was here that a young Englishman lately nearly lost his life. A large bubble burst near his face, the poisonous gases from which rendered him insensible; and had it not been for a Maori, who happened to be standing near, he must infallibly have been drowned. The whole neighborhood is a dangerous one; the crust of the earth is in many places so thin that one may at any moment find one's self standing in boiling water. The guides take so much pleasure in recounting all the accidents that have happened, that I felt I should be conferring a personal favor on them if I fell in, and was boiled sufficiently to be worth talking about in the future. The surface of the ground is in places covered with masses of pure sulphur. We lighted it in places, and it began to burn freely, and may be burning still for all I know to the contrary.

In the afternoon we saw, for the first time, a body of water thrown any considerable height into the air. It was at a place called Whakarewa-rewa, about two miles from the hotel, amid the finest hot springs of the Rotorua district. The geyser had been dormant since 1869 until this particular week, and each day it seemed to gather strength and volume. The mighty fountain has formed for itself a fine circular base, about thirty feet high, of silica, roughly resembling white marble. After being quiescent for a few minutes, the water began to leap up through the circular cavity at the top of the cone, and, rising higher and higher at each leap, at last culminated in splendid volumes of clear bright boiling water, thrown fully forty feet into the air. Dense masses of steam floated from the water in mid-air, but the column of water itself fell so nearly perpendicularly that we were able to stand as near to it as the intense heat would permit. After playing for about five minutes, the fountain gradually subsided, to take a rest, lasting about eleven minutes, before its next display. The geysers