A Midsummer Trip to the Tropics. 17 nor in the abyss beneath ;—there are no wings or fins to be seen. Towards evening, under the slanting gold light, the color of the sea deepens into ultramarine ; then the sun sinks down behind a bank of copper-colored cloud. III. Morning of the third day. Same mild, warm wind. Bright blue sky, with some very thin clouds in the hori- zon,— like puffs of steam. The glow of the sea-light through the open ports of my cabin makes them seem filled with thick blue glass. ... It is becoming too warm for New York clothing. . . . Certainly the sea has become much bluer. It gives one the idea of liquefied sky: the foam might be formed of cirrus clouds compressed,—so extravagantly white it looks to-day, like snow in the sun. Nevertheless, the old gentleman from Guadeloupe still maintains this is not the true blue of the tropics ! . . . The sky does not deepen its hue to-day : it bright- ens it ;—the blue glows as if it were taking fire through- out. Perhaps the sea may deepen its hue ;—I do not believe it can take more luminous color without being set aflame. ... I ask the ship's doctor whether it is really true that the West Indian waters are any bluer than these. He looks a moment at the sea, and replies, " Oh yes !" There is such a tone of surprise in his "oh" as might indicate that I had asked a very foolish question; and his look seems to express doubt whether I am quite in earnest. ... I think, nevertheless, that this water is ex- travagantly, nonsensically blue ! ... I read for an hour or two; fall asleep in the chair; wake up suddenly ; look at the sea,—and cry out ! This sea is impossibly blue ! The painter who should try to paint it would be denounced as a lunatic. . . . Yet it is transparent; the foam-clouds, as they sink down, turn