The vessels were massive, built up like architecture, and seemed almost amphibious, like lesser Venices set in the heart of the greater, when, moored to the banks by hanging stages decked with crimson satin and Persian carpets, they bore their freight of ladies in cherry-red brocade and green damask close under the balconies incrusted with many-coloured marbles from which other ladies leaned to gaze at them, in gowns with black sleeves slashed with white, stitched with pearls or bordered with lace.