Erebus

"...to the Erebus... on other conquests" (Conrad, 2).

The Erebus was a ship used on a voyage to Antarctica and to the arctic. In Greek mythology, the Erebus is " the embodiment of primordial darkness, the son of chaos". The ship vanished in a voyage to the arctic, lead by Sir John Franklin.

Links:
http://www.pantheon.org/articles/e/erebus.html
http://en.wikipedia.org/wiki/HMS_Erebus_(1826)