1 A Century of Plant Nematology 2 Perspectives on Nematology for the 21st Century 3 Developmental Biology of Nematodes-What We Learn from Caenorhabditis elegans 4 Nematode Morphology,Sensory Structure and Function 5 Nematode Esophageal Glands and Plant Parasitism 6 Surface Adhesion to Nematodes and its Consequences 7 Nematode Behavior and Migrations through Soil and Host Tissue 8 Background for Nematode Ecology in the 21st Century 9 Marine Nematode Biodiversity 10 Population Dynamics 11 Ehtomophilic Nematode Models for Studying Biodiversity and Cospeciation 12 Cultivation of Nematodes Index