Frontmatter -- Preface -- Contents -- Part I. Biological Effects and Biological Functions of Lectins -- Histophathological Changes Induced in Mice by the Plant Toxin Ricin and its Highly Purified Subunits A-Chain and B-Chain -- Suppression of Experimental Allergic Encephalomyelitis in Guinea Pigs and Rats by Concanavalin A -- Lectins, Allergens and Mucus -- Effect of Viscum Lectin on Histamine Release from Human Leukocytes -- Analysis of the Recycling Behaviour of Galactose-Specific Lectins on Rat Liver Cells -- Interaction of Soybean Agglutinin with Human Peripheral Blood Lymphocyte Subpopulations: Evidence for the Existence of a Lectin-Like Substance on the Lymphocyte Surface -- A Recognition Mechanism in the Adhesion of Nematodes to Nematode-Trapping Fungi -- The Lectin-Producing Cells in the Sponge Tissue -- The Non-Random Distribution of Lectin in the Azolla caroliniana-Anabaena azollae Symbiosis -- Distribution, Specificity and in vivo Significance of Phytolectins -- Occurrence of Lectin During the Life Cycle of Lathyrus Species -- Part II. Cell Receptors and Cell Reactions -- Monosaccharides and Tamm-Horsefal1 Glycopeptide Inhibit Allogeneic Antigen-Induced Lymphocyte Blàstogenesis in One-Way Mixed Lymphocyte Reaction -- Murine 3T3 Cell Deformability and Concanavalin A Agglutination -- Correlation with a Physical Model System -- Lectin Binding to and Lectin Induced Agglutination of Haemopoietic Cells -- Lectin Binding by Malaria Infected Erythrocytes -- A Tumor Specific WGA-Receptor on a Chemically Induced Carcinoma -- Distribution of Lectin Receptors in Neonatal and Embryonic Mouse Tissue -- Interaction of Peroxidase-Coupled Helix pomatia Lectin with Rat Hepatoma Cells -- Use of Lectins for the Characterization of the Insulin Receptor Glycosidic Moiety in Rat Adipocytes and Hepatocytes -- Ricin 120 as a Selective Marker in the Nervous System -- The Role of the Cell Coat in Palatal Shelves Adhesion. The Action of Neuraminidase and Limulus polyphemus Lectin on Shelves Cultivated in vitro -- Mobility of Con A Receptors at the Surface of Palatal Shelves before Closure of the Secondary Palate -- Increased Alpha-Galactosidase Activity in Normal and Fabry Fibroblasts Treated with Con A and Purified Enzyme -- Lectin-Induced Surface Changes in Lymphocytes of Gnotobiotic Pigs -- Mitogenic Lectins and Alpha-Fetoprotein as Modulators of Lymphocyte Surface Enzyme Activities -- Part III. Macromolecules and Lectins -- Specific Interaction of R-Type Lipopolysaccharides with Lectins Versus their Non-Specific Reactivity with Basic and Hydrophobic Proteins -- Lectin Receptors in Proteogalactans from the Albumin Gland of Achatina fulica -- Affinity of Leucoagglutinin (L-PHA), Compared with Dolichos biflorus Lectin and Con A, for Human Tamm- Horsefall Glycopeptide -- Interaction of Haptoglobin with Lectin -- Interaction of Polyclonal and Monoclonal Human Immunoglobulins G with Various Lectins (Concanavalin A, Lentil and Pea Lectins) -- Changes in the Relative Amount of Individual Microheterogeneous Eorms of Serum Alpha-l-Antichymotrypsin in Disease -- Study of the ConA Binding of Human Alpha-1 Acid Glycoprotein during the Acute Inflammatory Process. Evidence for Alpha-1 Acid Glycoprotein Populations of Different pi Values after ConA Affinity Chromatography in Normal and Inflammatory Sera -- Crossed Affinity Immunoelectrophoresis of Factor VIII- Related Antigen in van Willebrand's Disease -- Comparability of Carbohydrate Heterogeneity Patterns of Human Alpha-Fetoprotein in Different Biological Fluids -- Demonstration and Quantification of Microheterogeneity Forms of Human Alpha-Fetoprotein by Lectin Affinity Electrophoresis -- Estimation of ConA-Binding and Non-Binding Forms of Human Alpha-Fetoprotein (AFP) by Rocket Line Affino Immuno Electrophoresis -- Crossed Charge-Shift Affino-Immunoelectrophoresis of Human and Murine Alpha-Fetoprotein (AFP) -- Heterogeneity of Human Ferritins Studied by Crossed Lectin-Affinity-Radioimmunoelectrophore