OSTROG  , a

town of Russia, in the government of Volhynia, 95 M . W. of Zhitomir, at the confluence of the Vilya with the Goryn . Pop . (1897) 14,530 . It is an episcopal see of the Orthodox Greek Church, and in the 16th century had a classical academy, converted later into a Jesuit college . Here was made and printed in 1581 the first translation of the Bible into old Slay . In the town is a brotherhood of Cyril and Methodius, which maintains schools of its own . The tanning of light leather is an active domestic trade; other industries are potteries, oil-works, soap, candle and tobacco factories . After being plundered by the Cossack chieftain Khmelnitski in 1648, and conquered by the Russians seven years later, the town fell into decay .