1. Editorial

   • Lee A. Segel

   EditorialNotes Pages: 547 - 547

2. A cascading development model for amphibian embryos

   • Kemble Yates
   • Edward Pate

   OriginalPaper Pages: 549 - 578

3. Two exceptional sets of physiological clearance curves and their mathematical form: Test cases?

   • M. E. Wise
   • G. J. J. M. Borsboom

   OriginalPaper Pages: 579 - 596

4. An optimal algorithm to reconstruct trees from additive distance data

   • Jotun J. Hein

   OriginalPaper Pages: 597 - 603

5. Modelling autonomous oscillations in the human pupil light reflex using non-linear delay-differential equations

   • André Longtin
   • John G. Milton

   OriginalPaper Pages: 605 - 624

6. Stationary distribution of population size inTribolium

   • Craig Steven Peters
   • Marc Mangel
   • R. F. Costantino

   OriginalPaper Pages: 625 - 638

7. Book reviews

   • Norman Kaplan
   • Michael A. Savageau
   • Robert Rosen

   BookReview Pages: 639 - 655

8. Editorial: Software survey section

   EditorialNotes Pages: I - IV