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 marine engineers. As soon as the necessity arises for providing street traffic in the ocean city—when "the sea is in the broad, the narrow streets, ebbing and flowing, and the salt weed clings to the marble of her palaces"—invention will meet the demand, and light street waggons and carriages will everywhere glide about, performing the daily needs of the inhabitants. Something in the nature of breakwaters will provide against wave-play and form an unequalled exterior boulevard; and by means of an invention which will long since have been called for by the requirements of other localities, the air of dwelling-houses in the ocean city will be wholesomely freed from damp.

For we shall certainly not have failed to act upon our knowledge of the fact that irregularities in the proportion of atmospheric moisture are responsible for the unhealthiness of certain areas; and we shall have learned, by means of the anhydrator, to provide any place with exactly the degree of damp or dryness necessary to health. The same apparatus, by desiccating the air to the extreme point, will keep the houses of an ocean city dry and thus do away with an objection which would make homes built on the water insufferable to-day.

If we have not wholly reformed throughout the world our system of land tenure, the