JOURNAL OF VIROLOGY Volumel6 Contents for December Number6 Animal Viruses Uukuniemi Virus Contains an RNA Polymerase. MARJUT RANKI AND RALF F. PETTERSSON* .1420 Isolation of RNA Transcripts from the Entire Sendai Viral Genome. LAURENT RoUX AND DANIEL KOLAKOFSKY* .1426 Characterization of the mRNA of Influenza Virus. SYLVIA E. GLASS, DUNCAN MCGEOCH,* AND RICHARD D. BARRY .1435 Complementation Between Temperature-Sensitive and Deletion Mutants of Reovirus. D. A. SPANDIDOS AND A. F. GRAHAM* .1444 Role of Carbohydrate in Determining the Immunochemical Properties of the Major Glycoprotein (gp7l) of Friend Murine Leukemia Virus. D. P. BOLOGNESI,* J. J. COLLINS, J. P. LEIS, V. MOENNIG, W. SCHXFER, AND P. H. ATKINSON .... 1453 Purification of Influenza Viral Complementary RNA: Its Genetic Content and Activity in Wheat Germ Cell-Free Extracts. POLLY R. ETKIND AND ROBERT M. KRUG* .1464 Thermolabile Reverse Transcriptase of a Mammalian Leukemia Virus Mutant Temperature Sensitive in Its Replication and Sarcoma Virus Helper Func- tions. STEVEN R. TRONICK, JOHN R. STEPHENSON, INDER M. VERMA, AND STUART A. AARONSON* .1476 Homology Between Avian Oncornavirus RNAs and DNA from Several Avian Species. M. SHOYAB AND M. A. BALUDA* .1492 Regulation of Macromolecular Synthesis in Reovirus-Infected L-929 Cells. I. Effect of L-Histidinol. R. C. WARRINGTON* AND N. WRATTEN .... .......... 1503 Replication of Picornaviruses. I. Evidence from In Vitro RNA Synthesis that Poly(A) of the Poliovirus Genome is Genetically Coded. KAROLINE DORSCH- HXSLER, YOSHIAKI YOGO, AND ECKARD WIMMER* .1512 Physical Properties of Moloney Murine Leukemia Virus High-Molecular-Weight RNA: a Two Subunit Structure. CHARLES H. RIGGIN, MAURICE BONDURANT, AND WILLIAM M. MITCHELL* .1528 Human Cytomegalovirus. IV. Specific Inhibition of Virus-Induced DNA Polymerase Activity and Viral DNA Replication by Phosphonoacetic Acid. ENG-SHANG HUANG .1560 Transcription of 70S RNA by DNA Polymerases from Mammalian RNA Viruses. JOHN W. ABRELL, MARVIN S. REITZ, AND ROBERT C. GALLO* .1566 Effect of Cordycepin (3'-Deoxyadenosine) on Virus-Specific RNA Species Synthe- sized in Newcastle Disease Virus-Infected Cells. SUSAN REICH WEISS AND MICHAEL A. BRATT* .1575 Synthesis of Herpes Simplex Virus, Vaccinia Virus, and Adenovirus DNA in Iso- lated HeLa Cell Nuclei. I. Effect of Viral-Specific Antisera and Phosphono- acetic Acid. ARTHUR BOLDEN, JAYME AUCKER, AND ARTHUR WEISSBACH* .... .. 1584 Effect of the Fv-1 Locus on the Titration of Murine Leukemia Viruses. PAUL JOLICOEUR AND DAVID BALTIMORE* .1593 Relationships Among the Polypeptides of Newcastle Disease Virus. LAWRENCE E. HIGHTOWER, TRUDY G. MORRISON, AND MICHAEL A. BRATT* .1599 tRNA's Associated with the 70S RNA of Avian Myeloblastosis Virus. LARRY C. WATER,* BETH C. MULLIN, EDDIE G. BAILIFF, AND RAYMOND A. Popp ... 1608 Tryptic Peptide Analysis of Nonstructural and Structural Precursor Proteins from Continued on following page Continued from preceding page Semliki Forest Virus Mutant-Infected Cells. BAT-EL LACHMI, NIALL GLAN- VILLE, SIRKKA KERANEN, AND LEEVI KXXRIXINEN* .1615 Nuclear Polyhedrosis Virus Detection: Relative Capabilities of Clones Developed from Trichoplusia ni Ovarian Cell Line TN-368 to Serve as Indicator Cells in a Plaque Assay. LoY E. VOLKMAN* AND MAX D. SUMMERS .1630 Replication and Persistence of Measles Virus in Defined Subpopulations of Human Leukocytes. BARRY S. JOSEPH, PETER W. LAMPERT, AND MICHAEL B. A. OLD- STONE*.1638 Block to Multiplication of Adenovirus Serotype 2 in Monkey Cells. DANIEL F. KLESSIG* AND CARL W. ANDERSON .1650 Adenovirus Assembly: Self-Assembly of Partially Digested Hexons. PIERRE A. BOULANGER .1678 Bacterial Viruses Thymineless Bacteriophage Induction in Staphylococcus aureus. I. High-Frequency Transduction with Lysates Containing a Bacteriophage Related to Bacterio- phage 511. LARS RUDIN AND MARTIN LINDBERG*.1357 Thymineless Bacteriophage Induction in Staphylococcus aureus. II. Specific Trans- duction of Constitutive and Inducible Erythromycin Resistance. MARTIN LINDBERG* AND LARS RUDIN.1367 Alkali Lability of Bacteriophage XW-14 DNA. HILARY ANN LEWIS, R. C. MILLER, JR., J. C. STONE, AND R. A. J. WARREN* .1375 F-Factor-Mediated Restriction of Bacteriophage T7: Synthesis of RNA and Protein in T7-Infected Escherichia coli F- and F+ Cells. PATRICIA A. WHITAKER, YOSHIHIKO YAMADA, AND DAI NAKADA* .1380 Bacteriophage T4 Baseplate Components. I. Binding and Location of the Folic Acid. LLOYD M. KOZLOFF,* MURL LUTE, AND LOUISE K. CROSBY .1391 Bacteriophage T4 Baseplate Components. II. Binding and Location of Bacterio- phage-Induced Dihydrofolate Reductase. LLOYD M. KOZLOFF,* LOUISE K. CROSBY, MURL LUTE, AND DWIGHT H. HALL .1401 Bacteriophage T4 Baseplate Components. III. Location and Properties of the Bacteriophage Structural Thymidylate Synthetase. LLOYD M. KOZLOFF,* LOUISE K. CROSBY, AND MURL LUTE .1409 F-Factor-Mediated Restriction of Bacteriophage T7: Protein Synthesis in Cell- Free Systems from T7-Infected Escherichia coli F- and F+ Cells. YOSHIHIKO YAMADA AND DAI NAKADA* .1483 Bacteriophage P22 Virion Protein Which Performs an Essential Early Function. I. Analysis of 16 ts Mutants. BARBARA HOFFMAN AND MYRON LEVINE* .. .. .. .. 1536 Bacteriophage P22 Virion Protein Which Performs an Essential Early Function. II. Characterization of the Gene 16 Function. BARBARA HOFFMAN AND MYRON LEVINE* .1547 Identification of P48 and P54 as Components of Bacteriophage T4 Baseplates. PETER B. BERGET AND HUBER R. WARNER* .1669 Chemical Stability of Bacteriophage T7 Early mRNA. YOSHIHIKO YAMADA, PA- TRICIA A. WHITAKER, AND DAI NAKADA* .1683 Errata Interferon-Directed Inhibition of Chronic Murine Leukemia Virus Production in Cell Cultures: Lack of Effect on Intracellular Viral Markers. ROBERT M. FRIEDMAN,* ESTER H. CHANG, JANET M. RAMSEUR, AND MAUREEN W. MYERS .... 1688 Purification and Properties of Spleen Necrosis Virus DNA Polymerase. SATOSHI Continued on following page Continued from preceding page MIZUTANI AND HOWARD M. TEMIN* .. ....... .. .. .... .... .. .. .... .. .. .. .. 1688 Structure, Subunit Composition, and Molecular Weight of RD-114 RNA. HSING- JIEN KUNG, JAMES M. BAILEY, NORMAN DAVIDSON,* MARGERY 0. NICOLSON, AND ROBERT M. MCALLISTER .......... .. .. .... ................. ... 1688 * Asterisk refers to person to whom inquiries regarding the paper should be addressed..