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| | BULGARIA - LoveToKnow Article on BULGARIA |
 | | Of the Neogene, or younger Tertiary, the Mediterranean, or earlier, stage appears near Pleven (Plevna) in the Leithakalk and Tegel forms, and between Varna and Burgas with beds of spaniodons, as in the Crimea; the Sarmatian stage in the plain of the Danube and in the districts of Silistnia and Varna. |
 | | The principal seats of the export trade are Varna, Burgas and Baitchik on the Black Sea, and Svishtov, Rustchuk, Nikopolis, Silistria, Rakhovo, and Vidin on the Danube. |
 | | The limits of the principality of Bulgaria, as then defined, and the autonomous province of Eastern Rumelia, have been already described; the remaining portion, including almost the whole of Macedonia and part of the vilayet of Adrianople, was left under Turkish administration. |
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