as personal names as insertions created by the expansive tendencies of the laws of tradition. Approximation, too, even vagueness, is open to evident attack, but may also be due to the careful reserve of the writer who will not specify beyond the limits or credentials of his evidence. In fact both specificity and approximation may be used in opposite directions. A natural balance between inconsequential precision and reserve may be the expression of an accurate mind, but the probabilities must be