I Upon the smiling little islet of San Giorgio in Alga, midway between the Punta di Santa Maria--the westernmost limit of Venice proper, and Fusina--the principal port of the Laguna Morta, there lived, once upon a time, a good-looking young fisherman. Zian Zorzio della Laguna,--so named after his patron Saint, Saint George of Cappadoccia,--as skilful in his calling as he was comely in his person. Zorzio had wooed and won the prettiest girl in all Rialto, as hard-working as himself and as good to look upon. One day …