D.J. Robins, Biosynthesis of Pyrrolizidine and Quinolizidine Alkaloids. A.L. Mueller, R. Roeloffs, and H. Jackson, Pharmacology of Polyamine Toxins from Spiders and Wasps. C. Szantay, Z. Kardos-Balogh, and C. Szantay, Jr., Epibatidine. G. Bringmann and F. Pokorny, The Naphthylisoquinoline Alkaloids. K. Iwasa, The Biotransformation of Protoberberine Alkaloids by Plant Tissue Cultures. Chapter References. Cumulative Index of Titles. Subject Index.