The potter's clay of Ischia served for the potteries of Cumae and Puteoli in ancient times, and was indeed in considerable demand until the catastrophe at Casamicciola in 1883.
The chief towns are Ischia on the E.
Of these Ischia and Procida, close to the northern headland of the Bay of Naples, are of volcanic origin, as is the case also with the more distant group of the Ponza Islands.
In Ischia, and Camaldoli, 1488 ft., west of Naples, are the highest cones.
Naples Acerra, Ischia, Nola, Pozzuoli.
In June 1809, during his campaign against Austria, Sir John Stuart with an Anglo-Sicilian force sailed northwards, captured Ischia and threw Murat into great alarm; but on the news of the Austrian defeat at Wagram Stuart sailed back again.
Wide, between Capri and Ischia, and the Bocca Piccola, 3 m.
It subsequently fell into the hands of Neapolis, and remained so until the time of Augustus, who took it in exchange for Aenaria (Ischia) and often resided there.
The pelvic girdle and the hind-limbs show the least reduction found in any recent snakes, ilia, pubes and ischia being still distinguishable, the last even retaining their symphysis, and there are small vestiges of the femurs.
It exported iron from Elba, mosaics, pottery, manufactured locally with earth from Ischia (which was in considerable demand until 1883), sulphur (which indeed was extracted in the neighbourhood until the 18th century), probably alum (which is still worked), perfumes, pozzolana earth (taking its name from the place), cretaceous earth for mixing with grain (alica) from the Leucogaean hills, glass cups engraved with views of Puteoli, mineral dyes (the blue invented.
The pelvis has large ischia and pubes, with a long and usually bony symphysis.
Alphonso abdicated, his son Ferrandino and his brother Frederick withdrew to Ischia, and only a few towns in Apulia still held out for the Aragonese.
If the islands of Ischia, at the north-west, and of Capri, at the south entrance, be included.
Of Ischia on the west side of the Gulf of Naples, and about 12 m.
Classical authors explained the name of Procida either as an allusion to its having been detached from Ischia, or as being that of the nurse of Aeneas.
Still farther to the south-west lie the islands of Procida (Prochyta) and Ischia (Pithecusa, Aenaria or Inarime), which divide the Bay of Naples from the extensive Bay of Gaeta.
All this country was comprised in classical times under the title of the Phlegrean Fields, and was certainly then more actively volcanic than it now is, although the severe shock of earthquake which occurred in the island of Ischia in 1883 completely destroyed Casamicciola, and did serious damage to Forio, Lacco Ameno and Serrara Fontana, shows that there is great seismic activity in the locality.