Regulation of the Early Development of the Nervous System by Growth Factors; P.F. Bartlett, et al. Polysialic Acid as a Regulator of CellCell Interactions during Muscle Innervation; U. Rutishauser. The O2A Cell Lineage; G. Levi, C. Agresti. Cell Fate in the Cerebral Cortex; J. Price. Hox Genes and the Development of the Branchial Region; P. Hunt, et al. A General Model of Cortical Histogenesis V.S. Caviness, Jr., T. Takahashi. The Use of Experimental Genetics to Study Pattern Formation in the Mammalian CNS; K. Herrup. Comparative and Cellular Aspects of Development of Connections in Cerebral Cortex; G.M. Innocenti. The Developing Mouse Whiskerpad; W. Ourednik, et al. Two Phases of Pattern Formation in the Developing Rodent Trigeminal System; S. Jhaveri, R. Erzurumlu. Andogen-Dependent Plasticity of a Neuromuscular System; C. Cracco, A. Vercelli. 7 additional articles. Index.