Old Bergamo lay up there at the top of a squatty mountain encircled by walls and towers. New Bergamo lay below at the foot of the mountain, exposed to every wind that blows.

In the new town the plague broke out and wrought havoc indescribable. Many died, and the rest fled across the plains to every point of the compass. The men of Old Bergamo set fire to the deserted town, to disinfect the air. In vain. Men began to die on the mountain, also; at first one a day, then five, then ten, then a dozen.

There were many who sought to escape, but they could not flee as those in the new town had done; they lived like hunted beasts, hiding in tombs, under bridges, behind hedges, and in the tall grass of the green fields. For the peasants stoned all strangers from their hearths, or beat them as they would mad dogs, cruelly, pitilessly—in self-protection, as they thought, for the first fugitives had brought with them the pestilence into their houses.

So the people of Old Bergamo were as prisoners in their own town. Day by day the sun blazed hotter, and day by day the terrible infection carried off more victims.

In the very beginning, when the plague came among them, they bound themselves together in unity and peace, and had taken care to decently bury the dead, and had kindled great fires in the markets and open places, so that the purging fumes might be blown through the streets. Juniper and vinegar had been given to the poor. Above all they had gone to church, early and late, singly and in processions; each day they lifted their voices in prayer. As the sun sank behind the mountains the church bells tolled their dirge from a hundred hanging mouths. Days were set aside for fasting, and the relics were placed upon the altars.

At last, in their extremity, amid the blare of trumpets and tubas, they proclaimed the Holy Virgin forevermore Podesta of the city.

All this was of no help. And when the people saw that nothing could aid them, that Heaven either would not or could not send them relief, they did not fold their hands together and say, “God’s will be done.” It was as if sin, growing by a secret, stealthy sickness, had flared into an evil, open, raging pestilence, stalking hand in hand with the body’s disease, the one to kill their souls, even as the other defiled their flesh—so incredible were their deeds, so monstrous their cruelty.

“Let us eat to-day, for to-morrow we die!” It was as if this theme, set to music, were played in an endless, devilish symphony on instruments without number. The most unnatural vices flourished among them. Even such rare arts as necromancy, sorcery, and devil worship became familiar to them; for there were many who sought from the powers of hell that protection which Providence had not been willing to accord them. Everything that suggested charity and sympathy had vanished; each thought only of himself. If a beggar, faint with the first delirium of the plague, fell in the street, he was driven from door to door with sharp weapons and with stones. From the dead that lay rotting in the houses, and from the bodies hastily buried in the earth, arose a sickening stench that mingled with the heavy air of the streets, and drew ravens and crows hither in swarms and in clouds, so that the walls and housetops were black with them. And about the town walls great strange birds perched here and there—birds that came from afar, with rapacious beaks and talons expectantly curved; and they sat and stared with their quiet, hungry eyes as if awaiting the moment when the doomed town would be reduced to a heap of carrion.

Eleven weeks had passed since the plague had first broken out. Then the tower watchman and others who chanced to be on high ground perceived a singular procession winding from the plains into the narrow streets of the new town, between the smoke-blackened stone walls and the charred frames of houses. A great throng! Assuredly six hundred and more, men and women, young and old. Some among them bore large, black crosses, and some held above their heads broad banners, red as blood and fire. They sang as they marched, and strange, despairingly plaintive melodies rose in the still, oppressively hot air.

Brown, gray, black, were the colors these people wore. Yet all had a red sign on their breasts. As they came nearer and nearer this was seen to be the sign of the cross. They crowded up the steep, stone-girt space that led to the old town. Their faces were as waves of white sea; they bore scourges in their hands; a rain of fire was painted on their banners. And in the surging mass the black crosses swung from side to side. Face after face plunged into the gloom of the tower gate and emerged into the light on the other side with blinking eyes.