PROSKUROV, or PLOSKUROV  , a town of Russia, in the government of Podolia, situated on the railway from Odessa to Lem-berg, 62 m . N.W. of Zhmerinka junction . Pop . (1897), 22,915, more than one-half being Jews . It is poorly built, mostly of wood, on a low marshy plain surrounded by hills, at the confluence of the Ploskaya with the Bug . Its old castle has been destroyed, the site being occupied by a Roman Catholic church . The Orthodox Greek cathedral (1839) contains a very ancient and highly venerated image of the Virgin . The manufactures include oil-works and potteries; the Jewish merchants carry on an active export trade in corn and sugar, while the imports consist of salt and manufactured wares . Agriculture and market-gardening are the chief occupations of the Little-Russian inhabitants .