Achilles in the fifth century BC, Pindar had mentioned a cult of Achilles on a "bright island" (φαεννά νᾶσος, "phaenná nâsos") of the Black Sea, while in another of his works, Pindar would retell the story of the immortalized Achilles living on a geographically indefinite Island of the Blest together with other heroes such as his father Peleus and Cadmus. Well known is the connection of these mythological Fortunate Isles (μακαρῶν νῆσοι, "makárôn nêsoi") or the Homeric Elysium with the stream Oceanus which according to Greek mythology surrounds the inhabited world, which should have accounted for the identification of the northern
Achilles Tatius literary parallels between Leucippe and Clitophon and the Christian Acts of Andrew, a roughly contemporary composition. The "Suda" also ascribes to the author a work on the sphere (in Greek ), a fragment of which, professing to be an introduction to the "Phaenomena" of Aratus, may still be extant (in Greek ). This, however, may be the work of another Achilles Tatius, who lived in the 3rd century. This work is referred to by Firmicus Maternus, who about 336 speaks of the "prudentissimus Achilles" in his "Matheseos libri" ("Math." iv. 10). The fragment was first published in 1567, then in