all right; “it's all serene ,” a street phrase of very modern adoption, the burden of a song. Serene, all serene ! from the Spanish  sereno , equivalent to the English “all's well;” a countersign of sentinels, supposed to have been acquired by some filibusters who were imprisoned in Cuba, and liberated by the intercession of the British ambassador. The Sereno, the Spanish night watchman, cries out, with the hour, the state of the atmosphere. He was called the Sereno (clear), from his announcing the usual fine (sereno) night—quite different from the work of our old “Charlies,” whose usual call was one of foul weather.