Important and interesting trial of Mortimer J. Smith, on an indictment for libel on Miss Emma Williams, for having connected her name with the separation of David Groesbeck, (the New York Wall Street broker), from his wife, in the Albany County Court of Sessions, Dec. 16, 1847 : the evidence for the defence, and the verdict of the jury as given, is herein contained : to which is added the bill of complaint by Mary W. Groesbeck against David Groesbeck for repeated acts of adultery, and the decree of the court adjudging a separation and divorce : also, the testimony in the case before the referee appointed by the court to hear and decide upon merits of same.