Jerusalem. ↩

The Mountain of Purgatory, rising out of the sea at a point directly opposite Jerusalem, upon the other side of the globe. It is an island in the South Pacific Ocean. ↩

This brooklet is Lethe, whose source is on the summit of the Mountain of Purgatory, flowing down to mingle with Acheron, Styx, and Phlegethon, and form Cocytus. See Canto XIV 136 . ↩