1) Hades 1) Hades of Roman myth 2) Legendary lake near Naples 3) Virgilian lake 
Infernal regions; name derived from small vaporous lake near Vesuvius which was fabled to kill birds and vegetation.
a lake near Naples, Italy, looked upon in ancient times as an entrance to hell, from whose waters vile-smelling vapors arose, supposedly killing birds flying over it. · hell.