I will not alter the practice, and the witness must be sworn, but I can perceive that cases may happen, where its reception vviil be attended with inconvenience; as where a witness ts produced, to swear to a material fact, which had n< >t, beee, sworn to before, the other party is taken by surprise ; and per--haps had he been apprized in time, he would have- disproved its or discredited the witness.
The evidence was received, and a.decree founded.upon ifc,