eyes on during twenty years. He affirms an almost total absence of caries among the oldest specimens, those belonging to the Stone Age. Among the Celts, who succeeded these, and who knew enough to make metal weapons, but not enough to refrain from using them, the decayed tooth was an incident of more frequent occurrence; and the Roman conquest introduced it in great profusion. When the Romans were driven out they took their back teeth along with them, but the flawless incisor, the hale bicuspid are afterward rarely encountered. Craniologists affirm a similar state of things wherever there have been successive or overlapping civilizations: the skulls all tell the same story — their vote is unanimous. If the alarming progress of en- lightenment be not stayed the hairless and noseless man of the future will undoubtedly subsist, not as we, upon his neighbor, but upon spoon-victuals and memories of the past.
