The big liner's smoke streamed straight astern, staining the soft blue of the sky, as, throbbing gently to her engines' stroke, she clove her way through the smooth heave of the North Pacific. Foam blazed with phosphorescent flame beneath her lofty bows and, streaking with green and gold scintillations the long line of hull that gleamed ivory-white in the light of a half moon, boiled up again in fiery splendor in the wake of the twin screws. Mastheads...