SULA ISLANDS (

Sulla, Xuila; Dutch Soela)  , a chain of islands forming a prolongation of the eastern peninsula of Celebes and the Banggai Islands, Dutch East Indies . The three main islands are long and narrow (Taliabu, 68 m. long, Mangoli or Mangala, 63 m. and Besi, 3o m.) . The two first lie in line, separated by the narrow Chapalulu Strait; Besi extends at right angles to the south coast of Mangoli . The natives of Taliabu are allied to those of the Banggai Islands and the eastern peninsula of Celebes; but immigrant Malays are the principal inhabitants . Economically, Besi is the most important island . A Dutch commissioner resides at Sanana, at its northern extremity . It is fertile, and produces wax and honey, and coal has been found .