They crossed the Piazzetta, but paused in the middle of it to enjoy the scene.  It was one of those moonlight nights so brilliant and clear in the pure atmosphere of Italy.  The moon-beams streamed on the tall tower of St. Mark, and lighted up the magnificent front and swelling domes of the Cathedral.  The party expressed their delight in animated terms.  I kept my eye upon the young man.  He alone seemed abstracted and self-occupied.  I noticed the same singular, and, as it were, furtive glance over the shoulder that had attracted my attention in the Cassino.  The party moved on, and I followed; they passed along the walks called the Broglio; turned the corner of the Ducal palace, and getting into a gondola, glided swiftly away.

The countenance and conduct of this young man dwelt upon my mind.  There was something in his appearance that interested me exceedingly.  I met him a day or two after in a gallery of paintings.  He was evidently a connoisseur, for he always singled out the most masterly productions, and the few remarks drawn from him by his companions showed an intimate acquaintance with the art.  His own taste, however, ran on singular extremes.  On Salvator Rosa in his most savage and solitary scenes; on Raphael, Titian, and Corregio in their softest delineations of female beauty.  On these he would occasionally gaze with transient enthusiasm.  But this seemed only a momentary forgetfulness.  Still would recur that cautious glance behind, and always quickly withdrawn, as though something terrible had met his view.

I encountered him frequently afterwards.  At the theatre, at balls, at concerts; at the promenades in the gardens of San Georgio; at the grotesque exhibitions in the square of St. Mark; among the throng of merchants on the Exchange by the Rialto.  He seemed, in fact, to seek crowds; to hunt after bustle and amusement; yet never to take any interest in either the business or gayety of the scene.  Ever an air of painful thought, of wretched abstraction; and ever that strange and recurring movement, of glancing fearfully over the shoulder.  I did not know at first but this might be caused by apprehension of arrest; or perhaps from dread of assassination.  But, if so, why should he go thus continually abroad; why expose himself at all times and in all places?

I became anxious to know this stranger.  I was drawn to him by that Romantic sympathy that sometimes draws young men towards each other.  His melancholy threw a charm about him in my eyes, which was no doubt heightened by the touching expression of his countenance, and the manly graces of his person; for manly beauty has its effect even upon man.  I had an Englishman’s habitual diffidence and awkwardness of address to contend with; but I subdued it, and from frequently meeting him in the Cassino, gradually edged myself into his acquaintance.  I had no reserve on his part to contend with.  He seemed on the contrary to court society; and in fact to seek anything rather than be alone.