a famous pantomime, who acquired a great reputation at Rome in the time of Augustus. He was a disciple of Pylades, the greatest master in his art at the time; but Hylas showed such talent and skill, that the Roman public could not decide which of the two was the greater. (Suet. Aug. 45; Macr. 2.7.)
[L.S]A Dictionary of Greek and Roman biography and mythology
Smith, William
A Dictionary of Greek and Roman biography and mythology. William Smith, LLD, ed. 1890