Section headings and selected papers: Overview of Toxins. Freshwater cyanobacteria (blue-green algae) toxins, W W Carmichael. Interaction of Toxins with Ion Channels. The molecular pharmacology of toxins that modify voltage-gated sodium channels, G R Strichartz. Use of Cloning Techniques in the Study of Toxins. Postsynaptically-acting toxins and proteins with phospholipase structure from snake venoms: complete amino acid sequences deduced from cDNAs and production of a toxin with staphylococcal protein A gene fusion vector, F Ducancel et al. Three-Dimensional Structures of Toxins. Three-dimensional structures and structure-function relationships of scorpion neurotoxins, J C Fontecilla-Camps et al. Clinical Aspects and Therapies. Pathophysiology and treatment of scorpion poisoning, L Freire-Maia & J A Campos. Subject Index. Taxonomic Index.