Some Problems in Limb Development.- The Molecular Basis of Limb Patterning: A Review.- Expression of the Msh-like Homeobox-containing Genes During Mouse Limb Development.- The Limb Deformity Gene Encodes Evolutionarily Highly Conserved Proteins.- The Role of Homeobox Genes in Amphibian Limb Development and Regeneration.- Homeobox-Containing Genes and Gap Junctional Communication in Pattern Formation During Chick Limb Development.- Functional Studies of Genes in the Limb.- Hox-7: Temporal Patterns of Expression in Normal and Limbless Chick Embryos.- Expression Profile of Two Homeobox Genes During Chicken Embryogenesis.- Characterisation of Three Zebrafish Genes Related to Hox-7.- A Comparison of the Expression Domains of the Murine Hox-4, RARs and CRABP Genes Suggest Possible Functional Relationships During Patterning of the Vertebrate Limb.- Retinoic Acid Nuclear Receptors.- The Role of Retinoic Acid and Cellular Retinoic Acid-Binding Protein in the Regenerating Amphibian Limb.- Retinoic Acid Treatment Alters the Pattern of Retinoic Acid Receptor Beta Expression in the Embryonic Chick Limb.- Expression Pattern of an RXR Nuclear Receptor Gene in the Chick Embryo.- Retinoic Acid and Limb Pattern Formation in Cell Culture.- Growth Factors Produced by the Polarising Zone - a Complement to the Retinoic Acid System.- Biochemical and Molecular Aspects of Retinoid Action in Limb Pattern Formation.- Position-Dependent Properties of Limb Cells.- Retinoic Acid and Limb Patterning and Morphogenesis.- Does Retinoic Acid Organise a Limb or Induce a ZPA?.- Retinoic Acid Effects on Experimental Chick Wing Buds: Patterns of Cell Death and Skeletogenesis.- A Comparison of Reaction Diffusion and Mechanochemical Models for Limb Development.- The Pathway of Polarising Activity from Hensen's Node to the Wing Bud in the Chick Embryo.- Extracellular Matrix in Early Limb Development.- Molecular Heterogeneity of Chondroitin Sulphate in the Developing Chick Limb.- Special Properties of the AER/Mesenchyme Interface in the Chick Wing Bud: Analysis of ECM Molecules and Integrin Receptors.- Physical Forces and Pattern Formation in Limb Development.- Extracellular Material Organization and Long Tendon Formation in the Chick Leg Autopodium. In Vivo and In Vitro Study.- Hyaluronan-Cell Interactions in Limb Development.- The Role of the Transforming Growth Factor-ss (TGF-ss) Family, Extracelluiar Matrix and Gap Junctional Communication in Limb Cartilage Differentiation.- Vascular Involvement in Cartilage and Bone Development.- Patterning of Connective Tissues in the Regenerating Amphibian Limb.- The Interdigital Spaces of the Chick Leg Bud as a Model for Analysing Limb Morphogenesis and Cell Differentiation.- A "Packaging Model" of Limb Development.- The Somite-Muscle Relationship in the Avian Embryo.- Observations Concerning the Control of Directed Myogenic Cell Migration.- Extracellular Matrix and Muscle Formation.- Control of Muscle Morphogenesis and Endplate Pattern in Limb Muscles of Avian Chimeras.- Review of the Extracellular Matrix in Relation to Limb Development.- Evolution of Connective and Skeletal Tissues.- Developmental Approaches to the Problem of Transformation of Limb Structure in Evolution.- New Palaeontological Contributions to Limb Ontogeny and Phylogeny.- The Fin-Limb Transformation: Palaeontological and Embryological Evidence.- The Development of the Teleost Fin and Implications for our Understanding of Tetrapod Limb Evolution.- Phylogenetically Ancient Pattern in Ontogenesis of Limb Muscles.- Mutation and Limb Evolution.- Insights into Limb Development and Pattern Formation from Studies of the Limbless and Talpid2 Chick Mutants.- Proximal Elements in the Vertebrate Limb: Evolutionary and Developmental Origin of the Pectoral Girdle.- Evolutionary Transformation of Limb Pattern: Heterochrony and Secondary Fusion.- Plasticity in Skeletal Development: Knee-Joint Morphology in Fibula-Deficient Chick Embryos.- The Implications of "The Bauplan" f