Contents

20 July 1990
Vol 249, Issue 4966

About The Cover

Shell pattern of Conus textile, the cloth-of-gold cone. A close-up of the shell of the highly venomous marine snails. The 500 different cones each have a distinctive shell pattern and a specialized venom, loaded with diverse neuroactive peptides. See pages 25 and 257. [Photograph by Kerry Matz]