We were in Venice; Venice the silent and mysterious; the one European city of which I never tire. My wife had not enjoyed good health for some months past, and for this reason we had been wintering in Southern Italy. After that we had come slowly north, spending a month in Florence, and a fortnight in Rome en route, until we found ourselves in Venice, occupying a suite of apartments at Galaghetti's famous hotel overlooking the Grand Canal. Our party...