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Rh always insane. Even savages have indirectly surmised as much. Humboldt, speaking of Columbus approaching the New World, says: "The grateful coolness of the evening air, the ethereal purity of the starry firmament, the balmy fragrance of flowers, wafted to him by the land breeze, all led him to suppose (as we are told by Herrera, in the Decades) that he was approaching the garden of Eden, the sacred abode of our first parents. The Orinoco seemed to him one of the four rivers which, according to the venerable tradition of the ancient world, flowed from Paradise, to water and divide the surface of the earth, newly adorned with plants." So even the expeditions for the discovery of El Dorado, and of the Fountain of Youth, led to real, if not compensatory discoveries.

We discerned vessels so far off, when once we began to look, that only the tops of their masts in the horizon were visible, and it took a strong intention of the eye, and its most favorable side, to see them at all, and sometimes we doubted if we were not counting our eyelashes. Charles Darwin states that he saw, from the base of the Andes, "the masts of the vessels at anchor in the bay of Valparaiso, although not less than twenty-six geographical miles distant," and that Anson had been surprised at the distance at which his vessels were discovered from the coast, without knowing the reason, namely, the great height of the land and the transparency of the air. Steamers may be detected much farther than sailing vessels, for, as one says, when their hulls and masts of wood and iron are down, their smoky masts and streamers still betray them; and the same writer, speaking of the comparative advantages of bituminous and anthracite coal for war-steamers, states that, "from the ascent of