Noble S. Proctor is professor emeritus of biology, Southern Connecticut State University, and an internationally known leader of natural history and ecology expeditions. He has studied marine life on all the oceans of the world. Patrick J. Lynch is director of media services, Information Technology Services-Medicine, Yale University School of Medicine. He has received many awards for his medical illustrations and multimedia projects in medicine and the biological sciences. The authors' previous book, Manual of Ornithology, is available from Yale University Press.