1. Gene-culture waves of advance

   • Kenichi Aoki

   OriginalPaper Pages: 453 - 464

2. Conditions for the initial increase of new alleles with frequency dependent selection

   • C. Cannings
   • R. Law

   OriginalPaper Pages: 465 - 476

3. Convergence to equilibrium in a genetic model with differential viability between the sexes

   • James F. Selgrade
   • Martin Ziehe

   OriginalPaper Pages: 477 - 490

4. Hysteresis phenomena between periodic and stationary solutions in a model of pacemaker and nonpacemaker coupled cardiac cells

   • Mayer Landau
   • Paco Lorente
   • Stephane Canu

   OriginalPaper Pages: 491 - 509

5. Recall of associated memories

   • I. Nebenzahl

   OriginalPaper Pages: 511 - 519

6. Analysis of the complicated dynamics of some harvesting models

   • Kenneth L. Cooke
   • Helena E. Nusse

   OriginalPaper Pages: 521 - 542

7. A piecewise-linear growth model: comparison with competing forms in batch culture

   • Yuri Kolker

   OriginalPaper Pages: 543 - 551

8. Coexistence for systems governed by difference equations of Lotka-Volterra type

   • J. Hofbauer
   • V. Hutson
   • W. Jansen

   OriginalPaper Pages: 553 - 570

9. Erratum

   • Jerry Nedelman
   • Heather Downs
   • Pamela Pharr

   Erratum Pages: 571 - 571