INSIDE 167 Beyond lay the electricity works. As I passed in front of the windows, I caught sight of certain apparatus of recent invention, not bulky but very complete. There were none of those machines worked by steam and which necessitate the use of coal and ‘require a complicated mechanism. As | anticipated, the current of the cavern’s lamps, like the dynamos of the tug, is supplied by coils of extraordinary power. Doubtless this current serves ‘also for many domestic uses, for heating the Beehive, and for cooking purposes. I have discovered, too, that it is applied in an adjacent cavity to stills for the production of fresh water. The Backcup colonists are not reduced to collecting the abundant rains that fall on the coast to quench their thirst. Ata short distance from the factory "was a reservoir, which I may compare, in proportion, with those I visited at the Bermudas. It would supply the needs of a population of ten thousand inhabitants—here there are one hundred. I still do not know how to style them. That they and their chief have serious reasons for living in the bosom of the earth is obvious, but what are those reasons? . When religious shut themselves up between the walls of their convent with the intention of separating themselves from the rest of humanity, their action is understood. But truly these subjects of Count d’Artigas resemble neither Benedictines nor Carthusians! I continued my promenade through the forest of pillars until I reached the extreme end of the cave. Noone had interfered with me; No one had spoken to me. None