See Pachymer (l. v. c. 29), Nicephorus Gregoras (l. ii. c. 1), Sherefeddin (l. v. c. 57), and Ducas (c. 25). The last of these, a curious and careful observer, is entitled, from his birth and station, to particular credit in all that concerns Ionia and the islands. Among the nations that resorted to New Phocaea, he mentions the English ; an early evidence of Mediterranean trade.