We regret to have to announce the death of FREDERIC CLAY. He was born in Paris, August 3, 1840, and studied music chiefly under Molique. The greater part of his compositions were written for the stage, but he also composed two Cantatas, "The Knights of the Cross" and "Lalla Rookh," besides a number of songs, many of which have attained a wide popularity. For some time previous to his death he was afflicted with paralysis. He died at his residence, Oxford House, Great Marlow, on the 24th ult.