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THE ASTROPHYSICAL JOURNAL CONTENTS OF VOLUME 464, PART 1 1996 JUNE 10, Number 1 THE WIENER-FILTERED COBE DMR DATA AND PREDICTIONS FOR THE TENERIFE EXPERIMENT Emory F. Bunn, Y ehuda Hoffman, & Joseph Silk OBSERVATIONAL TESTS OF ONE-BUBBLE OPEN INFLATIONARY COSMOLOGICAL MODELS Kazuhiro Yamamoto & Emory F. Bunn COSMIC BACKGROUND ANISOTROPIES AND GALACTIC DUST: A NEW METHOD FOR EXTRACTING THE POWER SPECTRAL INDEX FROM DATA Francesco Melchiorri, Gianfranco Guarini, Bianca Melchiorri, & Monique Signore HYDRODYNAMIC SIMULATIONS OF THE GROWTH OF COSMOLOGICAL STRUCTURE: SUMMARY AND COMPARISONS AMONG SCENARIOS Jeremiah P. Ostriker & Renyue Cen THE COSMOLOGICAL MASS DISTRIBUTION. II. DISORDERED TREES AND THE ADHESION 142-G10 APPROXIMATION A. Cavaliere, N. Menci, & P. Tozzi LARGE-SCALE STRUCTURE AND THE DETERMINATION OF H, FROM GRAVITATIONAL LENS TIME DELAYS Gabriela C. Surpi, Diego D. Harari, & Joshua A. Frieman THE LUMINOSITY FUNCTION OF GALAXIES IN THE LAS CAMPANAS REDSHIFT SURVEY Huan Lin, Robert P. Kirshner, Stephen A. Shectman, Stephen D. Landy, Augustus Oemler, Douglas L. Tucker, & Paul L. Schechter CANADA-FRANCE REDSHIFT SURVEY. XI. MORPHOLOGY OF HIGH-REDSHIFT FIELD GALAXIES 143-C12 FROM HIGH-RESOLUTION GROUND-BASED IMAGING David Schade, S. J. Lilly, O. Le Févre, F. Hammer, & D. Crampton A NEW MODEL OF THE GRAVITATIONAL LENS 0957+561 AND A LIMIT ON THE HUBBLE CONSTANT 143-El Norman A. Grogin & Ramesh Narayan STATISTICS OF EXTREME GRAVITATIONAL LENSING EVENTS. I. THE ZERO SHEAR CASE 143-F12 Yun Wang & Edwin L. Turner MICROLENSING VARIABILITY OF THE GRAVITATIONALLY LENSED QUASAR Q0957+561 A,B 143-G12 Rudolph E. Schild SUPERSONIC COLLISIONS BETWEEN TWO GAS STREAMS 144-A7 Hyung Mok Lee, Hyesung Kang, & Dongsu Ryu EXTENDED Lya-ABSORBING HALOS AROUND NEARBY GALAXIES 144-B6 David V. Bowen, J. Chris Blades, & Max Pettini ON THE SCATTERING CONTRIBUTIONS TO N v 41240 AND Cw 41549 IN QSOs 144-C13 Fred Hamann & Kirk T. Korista EVIDENCE FOR A HIGHLY IONIZED IRON EMISSION LINE IN THE QUASAR PG 1116+215 144-D9 K. Nandra, I. M. George, T. J. Turner, & Y. Fukazawa VLBI OBSERVATIONS OF SOUTHERN EGRET IDENTIFICATIONS. I. PKS 0208—512, PKS 0521 —365, AND PKS 0537-441 S. J. Tingay, P. G. Edwards, M. E. Costa, J. E. J. Lovell, P.M. McCulloch, D. L. Jauncey, J. E. Reynolds, A. K. Tzioumis, V. Migenes, R. Gough, E. A. King, D. L. Jones, R. A. Preston, D.W . Murphy, D. L. Meier, T. D. van Ommen, M. St. John, D. W. Hoard, G. D. Nicolson, T -S. Wan, & Z.-Q. Shen TOWARD AN UNDERSTANDING OF THE SEYFERT GALAXY NGC 5252: A SPECTROSCOPIC STUDY José A. Acosta-Pulido, Baltasar Vila-Vilaro, Ismael Pérez-Fournon, Andrew S. Wilson, & Zlatan I. Tsvetanov THE SUBARCSECOND RADIO STRUCTURE IN NGC 1068. II. IMPLICATIONS FOR THE CENTRAL ENGINE AND UNIFYING SCHEMES J. F. Gallimore, S. A. Baum, & C. P. O’Dea CONTENTS Page Fiche MACHO PROPER MOTIONS FROM OPTICAL/INFRARED PHOTOMETRY 212 145-B6 Andrew Gould & Douglas L. Welch GRAVITATIONAL MICROLENSING BY CLUSTERED MACHOs 218 145-C1 R. Benton Metcalf & Joseph Silk ARE GAMMA-RAY BURSTS DUE TO ROTATION-POWERED HIGH-VELOCITY PULSARS IN THE HALO? 226 145-C12 Dieter H. Hartmann & Ramesh Narayan VARIATIONS OF THE SELECTIVE EXTINCTION ACROSS THE GALACTIC BULGE: IMPLICATIONS 233 145-D8 FOR THE GALACTIC BAR P. R. Wozniak & K. Z. Stanek VERY LOW MASS STARS AND SUBSTELLAR OBJECTS IN THE PLEIADES 145-E2 D. M. Williams, R. P. Boyle, W. T. Morgan, G. H. Rieke, J. R. Stauffer, & M. J. Rieke A LARGE PHOTODISSOCIATION REGION AROUND THE COLD, UNUSUAL CLOUD G216—2.5 145-F1 Jonathan P. Williams & Ronald J. Maddalena A THEORY OF THE INITIAL MASS FUNCTION FOR STAR FORMATION IN MOLECULAR CLOUDS 145-F13 Fred C. Adams & Marco Fatuzzo AN INFRARED STUDY OF THE VELOCITY STRUCTURE OF THE COMETARY COMPACT H 1 REGION 146-A4 G29.96 —0.02 Stuart L. Lumsden & Melvin G. Hoare X-RAY-EMITTING T TAURI STARS IN THE L1551 CLOUD 146-B13 Lee Carkner, Eric D. Feigelson, Katsuji Koyama, Thierry Montmerle, & I. Neill Reid BOUND PAIR CREATION IN POLAR GAPS AND GAMMA-RAY EMISSION FROM RADIO PULSARS 146-D13 V. V. Usov & D. B. Melrose AN IN-DEPTH STUDY OF MAGNETOSPHERIC EMISSION IN SOFT GAMMA-RAY REPEATERS 146-E12 Marco Fatuzzo & Fulvio Melia THE PRODUCTION OF “Ti AND °°Co IN SUPERNOVAE 146-G3 F. X. Timmes, S. E. Woosley, D. H. Hartmann, & R. D. Hoffman POSSIBLE ASSOCIATION OF A QUIESCENT X-RAY SOURCE WITH A GAMMA-RAY BURSTER 147-A2 K. Hurley, P. Li, A. Smette, C. Kouveliotou, G. Fishman, J. Laros, T. Cline, E. Fenimore, R. Klebesadel, M. Boer H. Pedersen, M. Niel, & M. Sommer PROPERTIES OF NEUTRON STARS IN THE RELATIVISTIC MEAN-FIELD THEORY 147-B1 K. S. Cheng, Z. G. Dai, &C . C. Yao THE ACCELERATION AND PROPAGATION OF STRANGELETS IN THE GALAXY: NUMERICAL 147-B10 SIMULATIONS G. A. Medina-Tanco & J. E. Horvath RADIO PULSAR EMISSION FROM CLOSED AND FILLED MAGNETOSPHERIC SHELLS 147-C4 B. Miller & B. J. Eastlund ANGULAR MOMENTUM TRANSPORT IN ACCRETION DISKS VIA CONVECTION 147-C12 James M. Stone & Steven A. Balbus HYDROMAGNETIC ACCRETION SHOCKS AROUND LOW-MASS PROTOSTARS 147-D10 Zhi- Yun Li & Christopher F. McKee SHEET MODELS OF PROTOSTELLAR COLLAPSE 147-F1 Lee Hartmann, Nuria Calvet, & Alan Boss VOLUME-LIMITED SAMPLES OF SUPERNOVAE 147-G7 Bradley E. Schaefer DEEP-SKY INFRARED IMAGING BY REDUCTION OF THE BACKGROUND LIGHT. I. SOURCES OF THE 148-A4 BACKGROUND AND POTENTIAL SUPPRESSION OF THE OH EMISSION Robert Content SHORT-TERM CHROMOSPHERIC VARIABILITY IN « TAURI (K5 III): RESULTS FROM JUE TIME SERIES OBSERVATIONS Manfred Cuntz, Bryan D. Deeney, Alexander Brown, & Robert E. Stencel X-RAY VARIABILITY IN V444 CYGNI: EVIDENCE FOR COLLIDING WINDS? M. F. Corcoran, I. R. Stevens, A. M. T. Pollock, J. H. Swank, S. N. Shore, & G. L. Rawley MONTE CARLO SIMULATION OF COMETARY ATMOSPHERES: APPLICATION TO COMET P/HALLEY AT THE TIME OF THE GIOTTO SPACECRAFT ENCOUNTER. I. ISOTROPIC MODEL Xingfa Xie & Michael J. Mumma CONTENTS MONTE CARLO SIMULATION OF COMETARY ATMOSPHERES: APPLICATION TO COMET P/HALLEY AT THE TIME OF THE GIOTTO SPACECRAFT ENCOUNTER. II. AXISYMMETRIC MODEL Xingfa Xie & Michael J. Mumma THE INFLUENCE OF MAGNETISM ON p-MODE SURFACE AMPLITUDES Rekha Jain, Bradley W. Hindman, & Ellen G. Zweibel YOHKOH OBSERVATIONS OF Fe xxvi X-RAY LINE EMISSION FROM SOLAR FLARES C. D. Pike, K. J. H. Phillips, J. Lang, A. Sterling, T. Watanabe, E. Hiei, J. L.C ulhane, M. Cornille, & J. Dubau YOHKOH OBSERVATIONS OF AN OVER-THE-LIMB SOLAR FLARE WITH LARGE SPECTRAL LINE SHIFTS Alphonse C. Sterling, Louise K. Harra-Murnion, Hugh S. Hudson, & James R. Lemen SOLAR MODULATION OF COSMIC ELECTRONS John M. Clem, David P. Clements, Joseph Esposito, Paul Evenson, David Huber, Jacques L’ Heureux, Peter Meyer, & Christian Constantin SPECTROSCOPIC PROPERTIES OF THE H} MOLECULE: A NEW CALCULATED LINE LIST 149-C13 Liesl Neale, Steven Miller, & Jonathan Tennyson ERRATUM NEUTRINO CAPTURE AND SUPERNOVA NUCLEOSYNTHESIS George M. Fuller & Bradley S. Meyer 1996 JUNE 20, Number 2 COSMOLOGICAL FORMATION OF LOW-MASS OBJECTS Zoltan Haiman, Anne A. Thoul, & Abraham Loeb ANOTHER LOOK AT GAUSSIAN ISOCURVATURE HOT DARK MATTER MODELS FOR LARGE-SCALE STRUCTURE Andrew A. de Laix & Robert J. Scherrer EQUATIONS OF STATE OF LARGE GRAVITATING GAS CLOUDS George Ruppeiner VISIBILITY LENSCLEAN AND THE RELIABILITY OF DECONVOLVED RADIO IMAGES J. D. Ellithorpe, C. S. Kochanek, & J. N. Hewitt THE EXTRAGALACTIC DISTANCE SCALE KEY PROJECT. IV. THE DISCOVERY OF CEPHEIDS AND A NEW DISTANCE TO M100 USING THE HUBBLE SPACE TELESCOPE Laura Ferrarese, Wendy L. Freedman, Robert J. Hill, Abhijit Saha, Barry F. Madore, Robert C. Kennicutt, Jr., Peter B. Stetson, Holland C. Ford, John A. Graham, John G. Hoessel, Mingsheng Han, John Euchra, Shaun M. Hughes, Garth D. Illingworth, Daniel Kelson, Jeremy R. Mould, Randy Phelps, N. A. Silbermann, Shoko Sakai, Anne Turner, Paul Harding, & Fabio Bresolin THE GAMMA-RAY BACKGROUND FROM BLAZARS: A NEW LOOK 153-D1 F. W. Stecker & M. H. Salamon THE INTENSITY DISTRIBUTION FOR GAMMA-RAY BURSTS OBSERVED WITH BATSE 153-D10 Geoffrey N. Pendleton, Robert S. Mallozzi, William S. Paciesas, Michael S. Briggs, Robert D. Preece, Tom M. Koshut, John M. Horack, Charles A. Meegan, Gerald J. Fishman, Jon Hakkila, & Cryssa Kouveliotou SKY COVERAGE AND BURST REPETITION 153-E9 David L. Band THE AUTOCORRELATION OF GAMMA-RAY BURST TIME PROFILES 153-F4 J.J.M.in’t Zand & E. E. Fenimore EGRET OBSERVATIONS OF THE NORTH GALACTIC POLE REGION 153-F13 P. Sreekumar, D. L. Bertsch, B. L. Dingus, J. A. Esposito, C. E. Fichtel, J. Fierro, R. C. Hartman, S. D. Hunter, G. Kanbach, D. A. Kniffen, Y. C. Lin, H. A. Mayer-Hasselwander, J. R. Mattox, P. F. Michelson, C. von Montigny, R. Mukherjee, P. L. Nolan, E. Schneid, D. J. Thompson, & T. D. Willis GASDYNAMICS AND STARBURSTS IN MAJOR MERGERS J. Christopher Mihos & Lars Hernquist GRAND UNIFICATION OF SOLUTIONS OF ACCRETION AND WINDS AROUND BLACK HOLES AND NEUTRON STARS Sandip K. Chakrabarti LINE PROFILES FROM RELATIVISTIC ECCENTRIC RINGS G. Bao, P. Hadrava, & E. Mstgaard LOCAL THREE-DIMENSIONAL SIMULATIONS OF AN ACCRETION DISK HYDROMAGNETIC DYNAMO John F. Hawley, Charles F. Gammie, & Steven A. Balbus CONTENTS HUBBLE SPACE TELESCOPE ULTRAVIOLET SPECTRUM OF ARP 102B, THE PROTOTYPICAL DOUBLE-PEAKED EMISSION-LINE AGN Jules P. Halpern, Michael Eracleous, Alexei V. Filippenko, & Kaiyou Chen EVIDENCE FOR ACCELERATION AND NONRADIAL MOTION OF PARSEC-SCALE JET COMPONENTS IN THE LOBE-DOMINATED SUPERLUMINAL QUASARS 3C 263 D. H. Hough, J. A. Zensus, & R. W. Porcas NUMERICAL SIMULATION OF BENT JETS: PROPAGATION INTO AN OBLIQUE MAGNETIC FIELD 155-A8 Shinji Koide, Jun-ichi Sakai, Ken-ichi Nishikawa, & Robert L. Mutel NGC 3628: THE NUCLEAR MOLECULAR DISK AND EXPANDING MOLECULAR SHELLS 155-B13 Judith A. Irwin & Y oshiaki Sofue A LONG EUVE OBSERVATION OF THE SEYFERT GALAXY RX J0437.4—4711 155-D13 Jules P. Halpern & Herman L. Marshall EVAPORATION, TIDAL DISRUPTION, AND ORBITAL DECAY OF STAR CLUSTERS IN A GALACTIC HALO 155-E8 Eugene R. Capriotti & Suzanne L. Hawley INFERRING SPHERICAL MASS DISTRIBUTIONS USING THE PROJECTED MASS ESTIMATOR 155-F8 Joseph W. Haller & Fulvio Melia THE SAGITTARIUS B2 STAR-FORMING REGION. III. HIGH-RESOLUTION H52a AND H66a OBSERVATIONS 155-G11 OF SAGITTARIUS B2 MAIN C. G. De Pree, R. A. Gaume, W. M. Goss, & M. J. Claussen GRAIN TEMPERATURE AND INFRARED EMISSION FROM CARBON DUST OF MIXED COMPOSITION 156-B4 S. Bartlett & W. W. Duley COAL MODELS FOR THE INFRARED EMISSION SPECTRA OF PROTO-PLANETARY NEBULAE 156-B12 O. Guillois, I. Nenner, R. Papouler, & C. Reynaud FABRY-PEROT IMAGING OF H, 1-0 S(1), 2-1 S(1), AND BRACKETT-GAMMA EMISSION IN THE ORION 156-C8 NEBULA Tomonori Usuda, Hajime Sugai, Hironobu Kawabata, Motoko Y. Inoue, Hirokazu Kataza, & Masuo Tanaka X-RAYS FROM SUPERBUBBLES IN THE LARGE MAGELLANIC CLOUD. IV. THE BLOWOUT STRUCTURE OF N44 . Eugene A Magnier, Y ou-Hua Chu, Sean D. Points, Una Hwang, & R. Chris Smith THE DISTANCE TO AN X-RAY SHADOWING MOLECULAR CLOUD IN URSA MAJOR 156-E11 Robert A. Benjamin, Kim A. Venn, Daniel D. Hiitgen, & Christopher Sneden THE X-RAY SOURCE AT THE CENTER OF G296.5+ 10.0 AS A YOUNG ISOLATED NEUTRON STAR 156-F6 S. Mereghetti, G. F. Bignami, & P. A. Caraveo M1-46: A CASE STUDY ON MULTIPLE-SHELL PLANETARY NEBULA FORMATION 156-G1 M. A. Guerrero, A. Manchado, L. Stanghellini, & A. Herrero A TIGHTER TEST OF THE LOCAL LORENTZ INVARIANCE OF GRAVITY USING PSR J2317+ 1439 157-Al J. F. Bell, F. Camilo, & T. Damour RADIATION-DRIVEN MAGNETOHYDRODYNAMIC WIND SOLUTIONS FOR HOT LUMINOUS STARS 157-A7 Néstor Rotstein & Carlos Guillermo Giménez de Castro LOW-MASS BINARIES AND STELLAR DYNAMOS 157-B4 Alexander Muslimov & Marek J. Sarna THE STELLAR (n, y) CROSS SECTION OF THE UNSTABLE ISOTOPE '®*Ho AND THE ORIGIN OF '°*Er 157-C1 S. Jaag & F. Kappeler EXTREME ULTRAVIOLET SPECTROSCOPY OF THE WHITE DWARF PHOTOSPHERE IN AM HERCULIS 157-D1 Frits Paerels, Min Y oung Hur, Christopher W. Mauche, & John Heise CORONAL HEATING IN dMe AND dM STARS: CLUES FROM THE X-RAY SURFACE FLUXES 157-D10 D. J. Mullan & T. A. Fleming CF TUCANAE: ANOTHER CASE OF CORONAL MAD SYNDROME? 157-E7 J.H.M. M. Schmitt, R. A. Stern, J. J. Drake, & M. Kiirster THE IUE SPECTRUM OF THE UNUSUAL WOLF-RAYET PG 1159-TYPE STAR SANDULEAK 3 157-F8 Walter A. Feibelman THE LINE EMISSION FROM THE CIRCUMSTELLAR GAS AROUND SN 1987A 157-G12 Peter Lundqvist & Claes Fransson ‘CONTENTS UPDATED OPAL OPACITIES Carlos A. Iglesias & Forrest J. Rogers SHADOWING OF COSMIC RAYS BY THE SUN NEAR MAXIMUM OR AT THE DECLINING PHASE OF SOLAR ACTIVITY M. Amznomori, B. Z. Dai, L. K. Ding, Z. Y. Feng, K. Hibino, N. Hotta, Q. Huang, A. X. Huo, H. Y. Jia, F. Kajino, K. Kasahara, Labaciren, S. M. Liu, D. M. Mei, L. Meng, X. R. Meng, K. Mizutani, J. Mu, H. Nanjo, N. Nishizawa, M. Ohnishi, I. Ohta, T. Ouchi, J. R. Ren, To. Saito, M. Sakata, Z. Z. Shi, M. Shibata, A. Shiomi, T. Shirai, H. Sugimoto, K. Taira, Y. H. Tan, N. Tateyama, S. Toril, H.W ang, Y. Yamamoto, G. C. Yu, P. Yuan, T. Yuda, C. 8. Zhang, H. M. Zhang, Zhasang, Zhaxiciren, & W. D. Zhou (The Tibet ASy Collaboration) PLASMA CONDUCTIVITY IN A COMETARY IONOSPHERE 158-D3 A. I. Ershkovich & P. L. Israelevich MICROWAVE AND SOFT X-RAY EMISSION FROM A FLARE-ACTIVATED CORONAL LOOP 158-D12 D. E. Gary, H. Wang, N. Nitta, & T. Kosugi THE INVERSION OF ELECTRON TIME-OF-FLIGHT DISTANCES FROM HARD X-RAY TIME DELAY 158-E11 MEASUREMENTS Markus J. Aschwanden & Richard A. Schwartz ELECTRON TIME-OF-FLIGHT MEASUREMENTS DURING THE MASUDA FLARE, 1992 JANUARY 13 158-F11 Markus J. Aschwanden, Hugh Hudson, Takeo Kosugi, & Richard A. Schwartz THE EVOLUTION AND FRAGMENTATION OF RISING MAGNETIC FLUX TUBES 159-Al D. W. Longcope, G. H. Fisher, & S. Arendt A UNIFIED MODEL FOR THE SUN’S LOWER AND UPPER TRANSITION REGIONS 159-B3 H. S. Ji, M. T. Song, & F. M. Hu Ha SURGES AND X-RAY JETS IN AR 7260 159-B10 Richard C. Canfield, Kevin P. Reardon, K. D. Leka, K. Shibata, T. Yokoyama, & M. Shimojo INTERCOMBINATION AND ALLOWED TRANSITIONS IN O rv 159-D3 Tomas Brage, P. G. Judge, & P. Brekke BRANCHING FRACTIONS AND OSCILLATOR STRENGTHS FOR Fe 1 TRANSITIONS FROM THE 159-E6 3d°(°D)4p SUBCONFIGURATION S. D. Bergeson, K. L. Mullman, W. E. Wickliffe, J. E. Lawler, U. Litzen, & S. Johansson HIGH-SENSITIVITY ABSORPTION SPECTROSCOPY IN Feu S. D. Bergeson, K. L. Mullman, & J. E. Lawler ERRATA OBSERVATIONS IN A SUPER—HORIZON-SCALE INHOMOGENEOUS COSMOLOGICAL MODEL 159-F8 Kenji Tomita IMPROVED BOUNDS ON NONLUMINOUS MATTER IN SOLAR ORBIT 159-F8 John D. Anderson, Eunice L. Lau, Timothy P. Krisher, Duane A. Dicus, Doris C. Rosenbaum, & Vigdor L. Teplitz STRUCTURE AND DYNAMICS OF MAGNETIC RECONNECTION IN A SOLAR FLARE 159-F12 Saku Tsuneta ABSTRACTS OF THE ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, 1996 JULY GAUGE-INVARIANT DENSITY AND TEMPERATURE PERTURBATIONS IN THE QUASI-NEWTONIAN FORMULATION Robert K. Schaefer & Andrew A. de Laix Loop CORRECTIONS IN NONLINEAR COSMOLOGICAL PERTURBATION THEORY Roman Scoccimarro & Joshua Frieman SURVEY FOR EmIssION-LINE GALAXIES: UNIVERSIDAD COMPLUTENSE DE MApRID List 2 J. Zamorano, J. Gallego, M. Rego, A. G. Vitores, & O. Alonso LARGE-SCALE OUTFLOWS IN EpGE-ON SEYFERT GALAxiES. I. OpTICAL EmIssioN-LINE IMAGING AND OPTICAL SPECTROSCOPY Edward J. M. Colbert, Stefi A. Baum, Jack F. Gallimore, Christopher P.O’ Dea, Matthew D. Lehnert, Zlatan I. Tsvetanov, John S. Mulchaey, & Saul Caganoff THE DISTRIBUTION AND PROPERTIES OF H 11 REGIONS IN EARLY-TO-INTERMEDIATE HUBBLE TYPE RINGED GALAXIES Deborah A. Crocker, Pamela D. Baugus, & R. Buta AN ATLas OF H 0 REGIONS IN NEARBY SEYFERT GALAXIES I. N. Evans, A. P. Koratkar, T. Storchi-Bergmann, H. Kirkpatrick, T. M. Heckman, & A. S. Wilson HuBBLE SPACE TELESCOPE OBSERVATIONS OF PLANETARY NEBULAE IN THE MAGELLANIC CLoups. III. ULTRAVIOLET Spectroscopy UsING THE FAINT Opjsect SPECTROGRAPH E. Vassiliadis, M. A. Dopita, R. C. Bohlin, J. P. Harrington, H. C. Ford, S. J. Meatheringham, P. R. Wood, T. P. Stecher, & S. P. Maran CONTENTS Fiche Dense MOLECULAR CLOUDS IN THE GALACTIC CENTER ReGion. I. HCN (J = 1-0) Data 159-G7 Chang Won Lee ON THE EVOLUTION OF SYMBIOTIC STARS AND OTHER BINARIES WITH ACCRETING DEGENERATE DWARFS 159-G7 Icko Iben, Jr., & A. V. Tutukov INDEX TO VOLUMES 462-464, PARTS 1 AND 2 i 159-G11