Nephew of the preceding, the friend of Trajan; filled various offices in the State; his fame rests on his "Letters," of special interest to us for the account they give of the treatment of the early Christians and their manner of worship, as also of the misjudgment on the part of the Roman world at the time of their religion, as in their eyes, according to him, "a perverse and extravagant superstition" (62-115).