Cowper had sinned with some excuse,
If, bound in rhyming tethers,
He had committed this abuse
Of changing ewes for wethers;
But, male for female is a trope,
Or rather bold misnomer,
That would have startled even Pope,
When he translated Homer.
William Cowper
http://www.poemhunter.com/poem/on-a-mistake-in-his-translation-of-homer/