1 — Chromosome Replication in Procaryotes.- Enzymatic Aspects of Chromosome Replication in E. coli.- Escherichia coli DNA Polymerase II and III.- Initiation of DNA Synthesis.- In vitro Replication of DNA.- The Role of ATP in Chromosome Replication Studied in Toluenized Escherichia coli.- Membrane Protein Components and DNA Synthesis in Escherichia coli.- A Possible Common Role for DNA Polymerase I and Exonuclease V in Escherichia coli.- The Joining of DNA Duplexes at Their Base-Paired Ends.- The Attachment of the Bacterial Chromosome to the Cell Membrane.- DNA Replication in Bacteriophage and Episomes.- Replication of the Single-Stranded DNA of Bacteriophage ?X174 in Nucleotide-Permeable Cells.- Replication of Bacteriophage ?X174 Replicative Form DNA in vivo.- Alternate Pathways of Bacteriophage M 13 DNA Replication.- DNA-Unwinding Proteins and Their Role in the Replication of DNA.- The Role of the Host Membrane in the Morphogenesis of the Head of Coliphage T4.- Bacteriophage T7 DNA Replication in vivo and in vitro.- RNA and Colicinogenic Factor El Replication.- Overlapping Pathways for Replication, Recombination and Repair in Bacteriophage Lambda.- Chromosome Structure and Mode of Replication.- Studies on the Folded Chromosome of E. coli.- Pattern of Replication of Various Genes in Exponential and Synchronized Cultures of Escherichia coli.- Bidirectional Replication of E. coli DNA: A Physical Demonstration.- Chromosome Replication in Bacillus subtilis.- 2 — DNA Replication in Eucaryotes.- Enzymatic Aspects of DNA Replication.- Eukaryotic DNA Polymerases.- DNA Polymerases and a Possible Multi-enzyme y Complex for DNA Biosynthesis in Eukaryotes.- A Eukaryotic DNA-Binding Protein in Meiotic Cells.- Mechanism of Chromosome Replication.- DNA Replication, the Nuclear Membrane, and Okazaki Fragments in Eukaryotic Organisms.- Is the Nuclear Membrane Involved in DNA Replication?.- DNA Replication and the Construction of the Chromosome.- SV40 and Mitochondrial DNA.- The Replication of Simian Virus 40 DNA.- A Novel Form of DNA Appearing after Infection of Permissive Cells by SV40 Containing both Viral and Reiterated Host Sequences.- 3 — Chromosome Replication and Cell Division.- Membrane Growth and Cell Division in E. coli.- Growth of the Cell Envelope in the E. coli Cell Cycle.- Cell Division in Bacteria.- Participants.