The charm of a single summer day on these island shores is something impossible to express, never to be forgotten. Rarely, in the paler zones, do earth and heaven take such luminosity: those will best understand me who have seen the splendor of a West Indian sky. And yet there is a tenderness of tint, a caress of color, in these Gulf-days which is not of the Antilles,--a spirituality, as of eternal tropical spring. It must have been to even such a sky that Xenophanes lifted up his eyes of old when he vowed the Infinite Blue was God;--it was indeed under such a sky that De Soto named the vastest and grandest of Southern havens Espiritu Santo,--the Bay of the Holy Ghost. There is a something unutterable in this bright Gulf-air that compels awe,--something vital, something holy, something pantheistic: and reverentially the mind asks itself if what the eye beholds is not the Pneuma indeed, the Infinite Breath, the Divine Ghost, the great Blue Soul of the Unknown. All, all is blue in the calm,--save the low land under your feet, which you almost forget, since it seems only as a tiny green flake afloat in the liquid eternity of day. Then slowly, caressingly, irresistibly, the witchery of the Infinite grows upon you: out of Time and Space you begin to dream with open eyes,--to drift into delicious oblivion of facts,--to forget the past, the present, the substantial,--to comprehend nothing but the existence of that infinite Blue Ghost as something into which you would wish to melt utterly away forever....
And this day-magic of azure endures sometimes for months together. Cloudlessly the dawn reddens up through a violet east: there is no speck upon the blossoming of its Mystical Rose,--unless it be the silhouette of some passing gull, whirling his sickle-wings against the crimsoning. Ever, as the sun floats higher, the flood shifts its color. Sometimes smooth and gray, yet flickering with the morning gold, it is the vision of John,--the apocalyptic Sea of Glass mixed with fire;--again, with the growing breeze, it takes that incredible purple tint familiar mostly to painters of West Indian scenery;--once more, under the blaze of noon, it changes to a waste of broken emerald. With evening, the horizon assumes tints of inexpressible sweetness,--pearl-lights, opaline colors of milk and fire; and in the west are topaz-glowings and wondrous flushings as of nacre.
Then, if the sea sleeps, it dreams of all these,--faintly, weirdly,--shadowing them even to the verge of heaven.
Beautiful, too, are those white phantasmagoria which, at the approach of equinoctial days, mark the coming of the winds. Over the rim of the sea a bright cloud gently pushes up its head. It rises; and others rise with it, to right and left--slowly at first; then more swiftly. All are brilliantly white and flocculent, like loose new cotton. Gradually they mount in enormous line high above the Gulf, rolling and wreathing into an arch that expands and advances,--bending from horizon to horizon.