By permission of the Right Worshipful the Vice-Chancellor, and the Worshipful the Mayor. In the concert room, at the Black Bear, Cambridge, Mr. Necks most recpectfully informs the noblemen and gentlemen of the University, that, on account of the inclemency of the weather, he was under necessity of postponing his performance till this evening Wednesday, the 13th of November, when will be presented, his effusions of fancy, or, dramatic mirror.