Imperial diptych offerings to the emperor. However, the fact that the Barberini ivory was almost certainly not a diptych, but some kind of imperial icon without a second panel is a serious argument against the existence of the imperial diptych type. The two panels representing the empress Ariadne, in the Bargello in Florence and the Kunsthistorisches Museum in Vienna, also belong to the hypothesied imperial diptych type. They are the only central panels of such a diptych (other than the Barberini ivory) to survive, since all other fragments of such diptychs are from side panels. Imperial diptych In Late Antiquity, an imperial
Imperial amazon the northwest side of the mountain. A small population has been reintroduced in the Morne Trois Pitons National Park. Imperial amazons are found primarily in mountain rainforest, sometimes in elfin forest. They occur mostly at elevations of 600–1300 m above sea level. However, there have been reports of them at 150 to 300 meters in elevation because of food storage or foraging preferences. The imperial amazon is an endangered species. The number of birds has increased in the past few years; however, as of 2012, there were estimated to be only 250—350 individuals. There have been many efforts to help