Then I: "The very same whom I—

Guard at the Western Portal—'neath the stars

Some midnights past heard singing. Dim the dry

Hot night; and Baghdad only knew of us

Until, gray shadows shuffling slowly by,

Pilgrims for Mecca passed, all vaporous

In dust and darkness; them we challenged not.

—Slaves, with the tribute of Nicephorus

The Roman, from long shallops, as they shot

Along the moonlit Tigris far away,