Sometimes he endeavored to assuage the fever of his spirit by a rapid walk through the streets of Padua or beyond its gates: his footsteps kept time with the throbbings of his brain, so that the walk was apt to accelerate itself to a race. One day he found himself arrested; his arm was seized by a portly personage, who had turned back on recognizing the young man and expended much breath in overtaking him.
"Signor Giovanni! Stay, my young friend!" cried he. "Have you forgotten me? That might well be the case if I were as much altered as yourself."
It was Baglioni, whom Giovanni had avoided ever since their first meeting, from a doubt that the professor's sagacity would look too deeply into his secrets. Endeavoring to recover himself, he stared forth wildly from his inner world into the outer one and spoke like a man in a dream.
"Yes; I am Giovanni Guasconti. You are Professor Pietro Baglioni. Now let me pass!"
"Not yet, not yet, Signor Giovanni Guasconti," said the professor, smiling, but at the same time scrutinizing the youth with an earnest glance. "What! did I grow up side by side with your father? and shall his son pass me like a stranger in these old streets of Padua? Stand still, Signor Giovanni; for we must have a word or two before we part."
"Speedily, then, most worshipful professor, speedily," said Giovanni, with feverish impatience. "Does not your worship see that I am in haste?"
Now, while he was speaking there came a man in black along the street, stooping and moving feebly like a person in inferior health. His face was all overspread with a most sickly and sallow hue, but yet so pervaded with an expression of piercing and active intellect that
