A mandamus was once moved for, says Doctor Burn, to compel the church wardens and overseers to sign a certificate; but the Court of King's Bench rejected the motion as a very strange attempt The very unequal price of labour which we frequently find in England, in places at no great distance from one another, is probably owing to the obstruction which the law of settlements gives to a poor man who would carry his industry from one parish to another without a certificate.