1. Publisher's announcement

   Announcement Pages: i - i

2. The influence of German idealistic morphology on the development of C.J. van der Klaauw's epistemology

   • Rudie Trienes

   OriginalPaper Pages: 91 - 119

3. Sex ratio polymorphism: The impact of mutation and drift on evolution

   • Hans Joachim Poethke

   OriginalPaper Pages: 121 - 147

4. An elementary approach to cell cycle analysis

   • C. Wiedemann
   • H. A. Moser

   OriginalPaper Pages: 149 - 180

5. Reviews

   BookReview Pages: 181 - 192