This link provides a list of towns in the county/district of Schubin:http://www.gemeindeverzeichnis.de/gem1900/gem1900.htm?posen/...
It appears that the town name may actually be Bartschin
(in German) or Barcin (in Polish)
The LDS has roman catholic church records for this town as well as a few civil records too. Depending on your ancestor's faith and the time period you are searching, you may be able to find him in those records.