Contents

17 May 1974
Vol 184, Issue 4138

About The Cover

Wet, dim lit, moss-hung cloud forest on summit of Long Island (near New Guinea), two centuries after devastation by a volcanic explosion. Although the summit forest has already regained mature structure under these perpetually moist conditions, montane birds have recolonized much more slowly than lowland birds. See page 803 [Jared Diamond, University of California Medical Center, Los Angeles]