1. Dynamic models for animal orientation

   • K. P. Hadeler
   • P. de Mottoni
   • K. Schumacher

   OriginalPaper Pages: 307 - 332

2. The extinction of slowly evolving dynamical systems

   • A. Lasota
   • Michael C. Mackey

   OriginalPaper Pages: 333 - 345

3. Theory of equilibrium binding of a bivalent ligand to cell surface antibody: The effect of antibody heterogeneity on cross-linking

   • Byron Goldsten
   • Carla Wofsy

   OriginalPaper Pages: 347 - 366

4. When is one estimate of evolutionary relationships a refinement of another?

   • G. F. Estabrook
   • F. R. McMorris

   OriginalPaper Pages: 367 - 373

5. On the existence of limit cycles for the enzyme-catalyzed hydrolysis reaction in a zero-dimensional representation of a membrane

   • Lo-Sheng Dai

   OriginalPaper Pages: 375 - 384

6. Two species competition in a periodic environment

   • J. M. Cushing

   OriginalPaper Pages: 385 - 400

7. The existence of globally stable equilibria of ecosystems of the generalized Volterra type

   • Yasuhiro Takeuchi
   • Norihiko Adachi

   OriginalPaper Pages: 401 - 415