Upon complainant’s motion for an order-dismissing the bill herein, with costs to the defendant to be taxed. It is firmly settled in the federal courts that the complainant has a. right to move to dismiss the bill, paying the taxable costs, except in three instances: (1) When there has been a hearing, or a decree entered ; (2) when the defendant asks or deserves affirmative relief; (3) when the dismissal will deprive the defendant of some substantial right which has accrued since the suit was brought. Exceptions 1 and 2 are-
Let it first be arranged that the defendant’s testimony shall be so placed as to be available in future controversies over the subject-matter between the parties or their privies, and then let the complainant’s motion be granted, without prejudice.