Emily Dickinson Lexicon

AT-LAN'TI-CA, or AT-LAN'TIS, n.

An isle mentioned by the ancients, situated west of Gades, or Cadiz, on the strait of Gibraltar. The poets mention two isles, and called them Hesperides, western isles, and Elysian fields. Authors are not agreed whether these isles were the Canaries, or some other isles, or the continent of America. – Homer. Horace.