Ab urbe condita

Titus Livius (Livy)

Livy. History of Rome, Volumes 1-2. Roberts, Canon, Rev, translator. London, New York: J. M. Dent and Sons; E. P. Dutton and Co., 1912.

He proceeded towards the nearest cave, to see if any tracks pointed in that direction, but he found that every hoof-mark led from the cave and none towards it. Perplexed and bewildered he began to drive the herd away from so dangerous a neighbourhood. Some of the cattle, missing those which were left behind, lowed as they often do, and an answering low sounded from the cave.