Contents

28 November 1975
Vol 190, Issue 4217

About The Cover

Scientists collecting palnkton samples with special metal-free sampling gear rom inflatable dinghy, several hundered meters from the R. V. Cayuse (Oregon State University). This procedure was necessary to obtain uncontaminated samples for determination of cadmium levels in plankton. See page 884 [Gregor M. Cailliet, Moss Landing Marine Laboratories, Moss Landing, California]