Then immediately were my shape and my mental-faculties distored, and horn-furnished, as ye see, I with frantic speed, by the sharp-mouthed gadfly stung, rushed to the thirst-assuaging stream of Cenchréa, and the fountain of Lérna—whilst the Earth-born herdsman Argos, zealous in anger, followed me, lookful on my steps with many eyes.
Source: wiktionary