Edward E Rossomando, University of Connecticut Health Center, Farmington, Connecticut. Stephen Alexander, University of Missouri. Columbia, Missouri.

• Preface Introduction: Synthesis and Extrapolations 1 Morphogenesis in Myxobacteria 2 Regulation of Morphogenesis in Dictyostelium discoideum 3 Cellular Differentiation and Tissue Formation in the Fungus Aspergillus nidulans 4 Biological Features and Morphogenesis of Hydra 5 Caenorhabditis elegans Morphogenesis 6 Morphogenesis of Drosophila 7 Morphogenesis of the Sea Urchin Embryo 8 Development of the Ascidian Embryo: Cell Fate Specification by Autonomous and Inductive Processes 9 Dynamics of the Gastrulation Movements and Determination of the Mesoderm in Amphibian Embryos 10 The Avian Embryo: An Accessible System to Study the Genesis of Complex Tissue Structure 11 Use of Teratocarcinoma Cells to Study the Morphogenesis of Extraembryonic Lineages in the Early Mouse Embryo

Edward E Rossomando, University of Connecticut Health Center, Farmington, Connecticut. Stephen Alexander, University of Missouri. Columbia, Missouri.

• Preface Introduction: Synthesis and Extrapolations 1 Morphogenesis in Myxobacteria 2 Regulation of Morphogenesis in Dictyostelium discoideum 3 Cellular Differentiation and Tissue Formation in the Fungus Aspergillus nidulans 4 Biological Features and Morphogenesis of Hydra 5 Caenorhabditis elegans Morphogenesis 6 Morphogenesis of Drosophila 7 Morphogenesis of the Sea Urchin Embryo 8 Development of the Ascidian Embryo: Cell Fate Specification by Autonomous and Inductive Processes 9 Dynamics of the Gastrulation Movements and Determination of the Mesoderm in Amphibian Embryos 10 The Avian Embryo: An Accessible System to Study the Genesis of Complex Tissue Structure 11 Use of Teratocarcinoma Cells to Study the Morphogenesis of Extraembryonic Lineages in the Early Mouse Embryo

Edward E Rossomando, University of Connecticut Health Center, Farmington, Connecticut. Stephen Alexander, University of Missouri. Columbia, Missouri.

• Preface Introduction: Synthesis and Extrapolations 1 Morphogenesis in Myxobacteria 2 Regulation of Morphogenesis in Dictyostelium discoideum 3 Cellular Differentiation and Tissue Formation in the Fungus Aspergillus nidulans 4 Biological Features and Morphogenesis of Hydra 5 Caenorhabditis elegans Morphogenesis 6 Morphogenesis of Drosophila 7 Morphogenesis of the Sea Urchin Embryo 8 Development of the Ascidian Embryo: Cell Fate Specification by Autonomous and Inductive Processes 9 Dynamics of the Gastrulation Movements and Determination of the Mesoderm in Amphibian Embryos 10 The Avian Embryo: An Accessible System to Study the Genesis of Complex Tissue Structure 11 Use of Teratocarcinoma Cells to Study the Morphogenesis of Extraembryonic Lineages in the Early Mouse Embryo