Probably you have heard of Hapley—not W. T. Hapley, the son, but the celebrated Hapley, the Hapley of Periplaneta Hapliia, Hapley the entomologist. If so you know at least of the great feud between Hapley and Professor Pawkins, though certain of its consequences may be new to you. For those who have not, a word or two of explanation is necessary, which the idle reader may go over with a glancing eye, if his indolence so incline him.