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 need for them as the people of this water world.

The metallic blocks are used for a great variety of purposes. There are some high class artists who have immortalized themselves by their master-pieces, one of which I saw on a five-cornered metallic sheet measuring about eight feet in diameter.

Perhaps the most surprising feature of the educational advancement of these water spirits is their knowledge of astronomy. To them, under the water, the stars have always looked beautiful, and from an early date in their history a study of them has engaged the attention of their scholars. No one could tell the style of their telescopes if he should go to guessing for a week. Let me give you a brief description of one.

They build a metallic pipe about ten feet in diameter and from a point some two hundred feet below the surface of the water. The pipe is built until it extends a few feet above water. Inside of this pipe is a series of transparent ovals of various