I saw a fly within a bead
Of amber cleanly burièd;
The urn was little, but the room
More rich than Cleopatra's tomb.

Compare: "Whence we see spiders, flies, or ants entombed and preserved forever in amber, a more than royal tomb", Francis Bacon, Historia Vitæ et Mortis; Sylva Sylvarum, cent. i, exper. 100