The first performance of the opera, "Pirates of Penzance," given by the students of Radcliffe College, aided by a number of Harvard graduates, will be given this evening at 8 o'clock in Jordan Hall, Boston. Seats are on sale for $2.00, $1.50, and $1.00 at Herrick's in Boston, and at Sever's. The receipts will be used in erecting a new building for the Radcliffe College library.