Somitomeres: The primordial body segments.- The metameric organization of the presomitic mesoderm and somite specification in the mouse embryo.- The epiblast origin of avian somite cells.- Aspects of somite formation in the early chick embryo.- The early development of the intermediate mesoderm in the chick.- The effects on vertebral development of removing a single somite from a 2-day old chick embryo.- On the problem of metamerism in the head mesenchyme of chick embryos.- The pattern of communication through gap junctions during formation of the embryonic axis.- A unique population of non-dividing cells in the somites.- Somitogenesis in the frog.- Heat shock effects in chick embryos.- Cell lineage and the formation and maintenance of half somites.- The tail bud and cessation of segmentation in the chick embryo.- Models of segmentation.- A comparison of the adhesiveness of somitic cells from chick and quail embryos.- The adhesion recognition signal of fibronectin: A possible trigger mechanism for compaction during somitogenesis.- Genetic modifications of developmental acts in chick and mouse somite development.- CSAT antibody interferes with in vivo migration of somitic myoblast precursors into the body wall.- Somite chondrogenesis: Extracellular matrix production and intracellular changes.- Initiation of chondrogenesis in somitic, limb and craniofacial mesenchyme: Search for a common mechanism.- Myogenesis: A problem of Cell Distribution and Cell Interactions.- The distribution of somite-derived, myogenic cells during early development of the wing bud.- Somites and neural development.- The programming of vertebral development.