A promenade concert will be given at the Masonic Hall, : on Thursday evening, May 12th, for the benefit of the Sociers' Union Fair, / by the ladies of the May Flower Association. There will be a table of just such delicacies as will be needed. Rolley's Band has been engaged for the evening. James Augustus, floor manager. Tickets of admission, 25 cts. Tickets for sale here.