BERNON, elected abbot of Reichenau, on the lake of Zell, near that of Constance, in the year 1014, was celebrated as a poet, rhetorician, musician, philosopher, and divine. Besides other works, he wrote several treatises on music, particularly De Instrumentis Musicalibus, and De
Bernoulli. Mensura Monochorda; but his most celebrated work is a treatise De Musica seu Tonis. This latter tract is part of the Baloi manuscript, and follows the Enchiridion of Odo. Bernoulli was highly esteemed by the Emperor Henry II., and succeeded so well in his endeavours to promote learning, that the abbey of Reichenau was as famous in his time as those of St Gal and Cluni. He died in 1048.