Commemorates the Silver Anniversary of the Society of Nematologists and contains 64 articles covering the following subjects: History, Crop Loss Assessment, Nematode Management, Novel Concepts for Nematode Management, Communication Systems in Nematodes, Nematode Survival Strategies, Nematodes as Parasites, Physiological Aspects of Parasitism, Mechanisms of Host Resistance to Nematodes, Interaction of Nematodes with Other Microorganisms, Nematode Systematics & Phylogeny, Nematode Population Dynamics, Maintaining Nematode Germplasm, Nematodes as Model Systems, Nematicides - Past & Future, Aquatic Nematology, Plant-Parasite Nematodes Associated with Aquatic Vascular Plants. 27 of these articles were originally presented as papers during the Annual Meeting in 1986.