The use of one part of an object to represent the entire object
“Seven faces of prisoners, suddenly released by the storm that had burst their tomb, were carried high overhead: all sacred, all lost, all wondering and amazed, as if the Last Day were come, and those who rejoiced around them were lost spirits. Other seven faces there were, carried higher, seven dead faces, whose drooping eyelids and half-seen eyes awaited the Last Day. Impassive faces, yet they suspended–not an abolished–expression on them; faces, rather, in a fearful pause, as having yet to raise the dropped lids of the eyes, and bear witness with the bloodless lips, ‘THOU DIDST IT!’”