“William of Paris.” William of Auvergne, was born at Aurillac in Auvergne towards the end of the twelfth century, and died at Paris, of which city he had in 1228 been consecrated Bishop, in 1249. Although not a “Summa Theologica,” his “de Universo” is a practical endeavour to found a science of reality on principes opposed to those of the Arabian commentators upon and perverters of Aristotle. His theological works are particularly interesting as devoting much attention to a refutation of the Manichees, whose heresies had been recently revived. There is a good study by Valois, “Guillaume d’Auvergne,” Paris, 1880.

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