Contents

01 June 1984
Vol 224, Issue 4652

About The Cover

Young chambered nautilus (Nautilus belauensis) captured at a depth of about 300 meters, after mark and release off Mutremdiu Point, Palau. Mark and recapture data indicate that this species grows to full size in 14 to 17 years and that the life-span may exceed 20 years. See page 990. [W. B. Saunders, Department of Geology, Bryn Mawr College, Bryn Mawr, Pennsylvania 19010]