1. Tests for Parasite-mediated Frequency-dependent Selection in Natural Populations of an Asexual Plant Species

   • David H. Siemens
   • Bitty A. Roy

   Research Article Pages: 321 - 338

2. Survival Through Bottlenecks of Vole Cycles: Refuge or Chance Events?

   • Kai Norrdahl
   • Erkki Korpimäki

   Research Article Pages: 339 - 361

3. Measuring Natural Selection on Proportional Traits: Comparisons of Three Types of Selection Estimates for Resistance and Susceptibility to Herbivore Damage

   • John R. Stinchcombe

   Research Article Pages: 363 - 373

4. Food Shortage Disrupts Social Organization: The Case of Red Squirrels in Conifer Forests

   • Luc A. Wauters
   • Sandro Bertolino
   • Guido Tosi

   Research Article Pages: 375 - 404

5. Fluctuating Asymmetry in Body Traits Increases Predation Risks: Tawny Owl Selection Against Asymmetric Woodmice

   • Paolo Galeotti
   • Roberto sacchi
   • Vincenzo Vicario

   Research Article Pages: 405 - 418