Constantine, after his conversion to Christianity, enacted laws against the magicians. These were made more rigid under Constantius, his son, but suspended under Julian. These persecutions were renewed by Valentinian, spasmodically carried on to a slight extent, and then lapsed. During the period that elapsed between the sixth and thirteenth centuries the executions for sorcery were comparatively rare.
It is to be borne in mind, then, that magic as existing in pagan Rome was part of the religious conceptions of the Romans. The oracle as well as the various demons, which to them signified what the word "angel" signifies to us now, formed an elaborate system of mythology and idolatry. The early Christians coming into contact with these conceptions, at first found an insurmountable difficulty in spreading their beliefs among the rural inhabitants of the Roman empire. Polytheism was dominant while their monotheism was as yet a persecuted belief. The road of least resistance was compromise, and so this vast system of polytheism was perverted, while seemingly accepted into their beliefs, by making these "angels," "demons," as we now understand the word. Since the early Christians were dominated by a belief in constant Satanic presence, these demons were said to be the "Hosts of Satan." It was firmly believed that the arch-fiend (Satan) was forever hovering about the Christians, but it was also believed that the sign of the cross, or a few drops of holy water, or the name of Mary, could put him to an immediate and ignominious flight.
"In the twelfth century, however, the subject passed into an entirely new phase. The conception of a witch, as we now conceive it, that is to say of a woman who had entered into a deliberate compact with Satan, who was endowed with the power of working miracles whenever she pleased, and who was continually transported through the air to the Sabbath, where she paid her homage to the Evil One—first appeared. The panic created by the belief at first advanced slowly, but after a time with a fearfully accelerated rapidity. Thousands of victims were sometimes burnt alive in a few years. Every country in Europe was stricken with the wildest fever. Hundreds of the ablest judges were selected for the extirpation of this crime. A vast literature was created on the subject, and it was not until a considerable portion of the eighteenth century had passed away that the executions finally ceased. The vast majority of those accused of witchcraft were women, and again the Bible furnished the authority for the belief that women were inherently wicked. That the Fathers of the Church believed this is exemplified by the statement of Chrysostom in which he said that women were a 'necessary evil, a natural temptation, a desirable calamity, a domestic peril, a deadly fascination, and a painted ill.'" (Lecky.)
At this period the conception of a witch is radically different from that which was prevalent in the era prior to this one. The popular belief of the witchcraft ages, a belief sanctioned by most of the learned men of the time, was that the earth swarmed with millions upon millions of demons. They multiplied by reproduction in the usual way, by the accession of the souls of wicked men, of women dying in childbirth, of children still-born, of men killed in duels. The air was filled with them, and one was always in danger of inspiring them with the air, of swallowing them in food and drink. Most Christian writers and legendists said that there were so many of them they could not be counted, but Wierus took a census of them and reported that there were only 7,505,926 divided into seventy-two companies, each commanded by a captain or prince. They could make themselves hideous, or beautiful, as suited their purposes, and assume any shape. While capable of appearing at any time, they preferred the night between Friday and Saturday. Any human being who gave up to them his immortal soul could command their services for a certain time. Occasionally general conferences took place, at the pleasure of Satan, which were attended by all the demons and all the witches.
"These 'sabbaths' were held on the Brocken or other high mountain. Upon the spot where they met, nothing would ever grow afterwards, as their hot feet burnt all the fecundity out of the soil. In France, England, and the American Colonies, it was supposed that witches made their trips on broomsticks; in Spain and Italy it was believed that they twirled on the back of the Devil himself, who, for the occasion, transformed himself into male goat. On no account would a witch, when starting for a sabbath, go out through the open door or window; she would pass through the keyhole or up the chimney. While they were gone, inferior demons assumed their shape, and lay in their beds, feigning illness. Assembled on the Brocken, the Devil, as a double-headed goat, took his seat on the throne. His subjects paid their respects to him, kissing his posterior face. With a master of ceremonies appointed for the occasion, he made a personal examination of all the wizards and witches, to see if they had the secret mark about them by which they were stamped as the Devil's own. This mark was always insensible to pain, and it was the sure proof of witchery when found by the inquisitor. Any witches found by the Devil not so marked received the mark from him then and there, also a nickname. Then they all sang and danced furiously. If a stranger came to be admitted, silence reigned while he denied his salvation, spat upon the Bible, kissed the Devil, and swore absolute obedience to him. Singing and dancing was resumed, a mythical formula being used in the singing. When tired, they sat down and told of their evil deeds; those who had not been bad enough were scourged by Satan himself with thorns and scorpions until they could neither sit nor stand. Then came a dance by thousands of toads who were conjured out of the ground and standing on their hind legs kept time to the music Satan evoked from bagpipes or a trumpet. They could all talk, and asked the witches to give them the flesh of unbaptized babes for food. The witches promised to do so. The Devil told them to remember and keep their word and then stamped his foot, and the frogs disappeared instantly into the earth. Next came a most disgusting banquet, except for a few of the most wicked witches, to whom were given rich viands on golden plates and expensive wines in crystal goblets. Then came more dancing; those who did not care for that amused themselves by mocking the sacrament of baptism. For this purpose the toads were again called up and sprinkled with filthy water, the Devil making the sign of the cross, while the witches repeated a formula as absurd as that used in ordinary baptisms. Sometimes the Devil made the witches take off their clothes and dance before him, each with a cat tied around her neck, and another dangling behind as a tail. Sometimes, again, there were lascivious orgies. At cock-crow, all disappeared; the sabbath was over." ("The Story of the Inquisition"—Freethought Press Association.)
This conception of a witch continued from the twelfth century to the time witch-burning ceased. With this idea of a witch being constantly instilled into the minds of their listeners, the clergy set loose fervidly religious mobs to scourge the countries of innocent women. With the entire world divided into the "Hosts of Heaven" and the "Hosts of Satan," with witches abounding in the air, in the water, and in the food, and with their immortal souls at stake, the frenzied population found evidences of witchcraft in all manner of happenings.
"Pope after pope set the seal of his infallibility upon the bloody persecutions. At length came Innocent VIII who, on the 7th of December, 1484, sent forth his bull Summis Desiderantis. Of all documents ever issued from Rome, imperial and papal, this, doubtless, first and last, caused the greatest shedding of innocent blood. Yet no document was ever more clearly dictated by conscience. Inspired by the scriptural command, 'Thou shalt not suffer a witch to live,' Pope Innocent exhorted the clergy of Germany to leave no means untried to detect sorcerers, and especially, those who by evil practice destroy vineyards, gardens, meadows, and growing crops. These precepts were based upon various texts of scripture, especially upon the famous statement in the Book of Job; and to carry them out, witch-finding inquisitors were authorized by the Pope to scour Europe, especially Germany, and a manual was prepared for their use, the Witch-Hammer, Malleus Maleficarum." (White: "Warfare of Science.")
Another important and much discussed department was the connection between evil spirits and animals. That the Devil could assume the form of any animal he pleased, seems to have been generally admitted, and it presented no difficulty to those who remembered that the first appearance of that personage on earth was as a serpent, and that on one occasion a legion of devils had entered into a herd of swine. Saint Jerome also assures us that in the desert St. Anthony had met a centaur and a faun, a little man with horns growing from his forehead, who were possibly devils, and at all events, at a later period, the "Lives of the Saints" represent evil spirits in the form of animals as not infrequent. Lycanthropy, however, or the transformation of witches into wolves, presented more difficulty. The history of Nebuchadnezzar and the conversion of Lot's wife were, it is true, eagerly alleged in support of its possibility; but it was impossible to forget that St. Augustine appeared to regard lycanthropy as a fable, and a canon of the Council of Ancyra had emphatically condemned the belief. On the other hand, that belief has been very widely diffused among the ancients. It had been accepted by many of the greatest and most orthodox theologians, by the inquisitors who were commissioned by the popes, and by the law courts of most countries. The evidence on which it rested was very curious and definite. If the witch was wounded in the form of an animal, she retained that wound in her human form, and hundreds of such cases were alleged before tribunals. Sometimes the hunter, having severed the paw of his assailant, retained it as a trophy; but, when he opened his bag, he discovered in it only a bleeding hand, which he recognized as the hand of his wife.
A French judge named Boguet, at the end of the sixteenth century, devoted himself especially to the subject and burnt multitudes of lycanthropes. He wrote a book about them and drew up a code in which he permitted ordinary witches to be strangled before they were burnt, but excepted lycanthropes who were to be burnt alive.
Now let us examine on what authority the popes and afterwards the reformers so rigorously persecuted the "witches." Both the Old and the New Testaments are riddled with references to witches, wizards, and devils. For example, this passage from Exodus XXII 18, "Thou shalt not suffer a witch to live."