From some point far overhead a musical humming became audible. It was not the rasping roar of an aëroplane motor, but a deep, truly melodious note that seemed to grow rapidly in volume. The soft-voiced conversations on the upper deck were hushed. Every one listened to the strange sound from above. It grew and became clear and distinct. The source seemed to come nearer. At last the sound came from a spot directly overhead, then passed over and toward the Narrows. A cold breeze beat down suddenly. It was not a cool sea breeze, but a current of air coming down from directly above the Coney Island steamer. It was actively, actually cold. A chorus of exclamations arose, full of the wit of the American a-holidaying. “Br-r-r-r! I feel a draft!” “Say, Min, are you givin’ me the cold shoulder?” “Sadie, d’you want to borrow all of my coat or only the sleeve?” And one young man caused a ripple of laughter by “Feels like my mother-in-law was around somewhere.” People hastened to put on such wraps as they had with them. On the lower decks there arose a sound of tired voices, saying with variations only in the names “Johnnie, button up your coat. It’s getting cold.” The cold wave lasted only for a few moments, however. As the steamer forged ahead the strata of cold air seemed to be left behind, and the humming sound grew fainter. If the passengers on the boat had listened, they might have heard a faint splash in the water behind them, but as it was the sound went unnoticed. The humming died away. The boat went on and docked, and the passengers dispersed to their homes. Every one of them woke the next morning to find himself or herself locally celebrated...