His medical fame began to develop soon after his death. In about a hundred years Eusebius, Bishop of Cæsarea, reproaches the world with treating Galen almost as a divinity. Nearly all the later Roman medical writers drew freely from his works, and some seemed to depend entirely on them. Arabic medicine was largely based on Galen’s teaching, and it was the Arabic manuscripts translated into Latin which furnished the base of the medical teaching of Europe from the eleventh and twelfth centuries to the eighteenth. Galen aimed to create a perfect system of physiology, pathology, and treatment. He is alleged to have written 500 treatises on medicine, and 250 on other subjects, philosophy, laws, grammar. Nothing like this number remains, and the so-called “books” are often what we should call articles. His known and accepted medical works number eighty-five. All his writings were originally in Greek. ORIBASIUS. Oribasius, like Galen, was a native of Pergamos, and was physician to and friend of the Emperor Julian. He is noted for having compiled seventy-two books in which he collected all the medical science of preceding writers. This was undertaken at the instance of Julian. Only seventeen of these books have been preserved to modern times. Oribasius adds to his compilation many original observations of his own, and in these often shows remarkable good sense. He was the originator of the necklace method of treatment, for he recommends a necklace of beads made of peony wood to be worn in epilepsy, but does not rely on this means alone. AETIUS. Aetius, who lived either in the fifth or sixth century, was also a compiler, but he was besides a great authority on plasters, which he discusses and describes at enormous length. He was a Christian, and gives formulas of words to be said when making medicinal compounds, such as “O God of Abraham, of Isaac, and of Jacob, give to this remedy the virtues necessary for it.” In the works of Aetius, mention is made of several nostrums famous in his time for which fabulous prices were charged. The Collyrium of Danaus was sold in Constantinople for 120 numismata. If this means the nummus aureus of Roman money it would be equal to nearly £100 of our money. At this price, Aetius says, the Collyrium could only be had with difficulty. He also mentions a Colical Antidote of Nicostratus called very presumptuously Isotheos (equal to God), which sold for two talents.