It helps to come to Islands & Cultures—a collection of essays focusing largely if not exclusively, as goes the subtitle, on “sustainability”—with at least some background on Polynesia, not because such background is necessary to follow the arguments in the various papers, but because otherwise one will be spending a great deal of time on the Internet chasing down one interesting reference after another.

The first Hawaiians ran late. Sumner La Croix claims they first voyaged from the Society Islands around 1250 when Kublai Khan was a boy rather than, as some others have it, twelve centuries earlier while Christ was awaiting death and resurrection. Discovery fed flood, with the long century that followed bringing new waves of immigrants to fill the land, before changing ocean currents slammed the door closed on economic migrants for four hundred years.