However suspicious the testimony of Bowers may be, yet as he has sworn directly to the offence committed by Davison, we cannot discharge him. It is the province of a grand and petit jury alone to determine on his innocence or *guilt. Let the prisoner give bail, himself in $1000 and ri¡5 two sureties in $500 each, to answer the alledged fraud at ' the next Mayor’s Court to be held for the city of Philadelphia.