when the feast is finished , and the lamps expire : ... fertur auaritia gremio praecincta capaci , quidquid luxus edax pretiosum liquerat , unca corripuisse manu , pulchra in ludibria uasto ore inhians aurique legens fragmenta caduci inter harenarum cumulos ... ( `` and then , it is said , avarice folds her capacious cloak , and snaps up anything precious that extravagance may have left behind .