The Danubian Bulgaria, a dismemberment of this vast state, was long formidable to the Byzantine empire.
Malte-Brun, Prec.

de Geog Univ.

vol.i.p.

419 .-- M.

----According to Shafarik, the Danubian Bulgaria was peopled by a Slavo Bulgarian race.
The Slavish population was conquered by the Bulgarian (of Uralian and Finnish descent,) and incorporated with them.