 A quick search of his letters which have been indexed on the internet did not find any references to prisons for women.An important issue with this legend is that there are no reports of artifacts of a prison found on the island in spite of the fact that cisterns dating to the Carthaginian or Punic period, 100–200 years before Pliny’s letter writing era, have been found and still exist on the island along with supporting documentation.The cisterns were used to ferment mixtures of fish scraps, spices and oils into a sauce called garum, a very valued food addition in the Roman era.