[637] W. H. SMITH, _The Mediterranean, a memoir physical, historical,
and nautical_, in-8. Londra, 1854, p. 187: «_Passing Jerbah.... the
Burj-er-Rus, a pyramid of human skulls, just outside the castle of
Jerbah.... dreadfull disaster, which befell under Lacerda and Doria._»