Aelian, Varia Historia 2.21 (on the 'differentness' between Agathon's two modes of behaviour towards his lover).
Same entry, according to Adler, in the Ambrosian Lexicon.
David Whitehead (added note and more keywords) on 30 August 2004@03:59:24. David Whitehead (more keywords; tweaking) on 3 July 2012@06:13:59. Catharine Roth (coding) on 31 October 2014@23:02:59. David Whitehead (another note) on 31 October 2015@08:53:02.