1. Growth rate and the cost of calling activity in male carpenter frogs, Rana virgatipes

   • Mac F. Given

   OriginalPaper Pages: 153 - 160

2. Energy expenditure for mouthbrooding in a cichlid fish

   • Wolfgang Mrowka
   • Bernd Schierwater

   OriginalPaper Pages: 161 - 164

3. Sex ratios and intrasexual competition for mates in a sex-role reversed shorebird, Wilson's phalarope (Phalaropus tricolor)

   • Mark A. Colwell
   • Lewis W. Oring

   OriginalPaper Pages: 165 - 173

4. Ontogeny of nestmate recognition cues in the red carpenter ant (Camponotus floridanus)

   • Laurence Morel
   • Robert K. Vander Meer
   • Barry K. Lavine

   OriginalPaper Pages: 175 - 183

5. On the evolution of nest raiding and male defensive behaviour in sticklebacks (Pisces: Gasterosteidae)

   • W. L. Vickery
   • F. G. Whoriskey
   • G. J. FitzGerald

   OriginalPaper Pages: 185 - 193

6. Lek promiscuity in a semelparous mammal, Antechinus stuartii (Marsupialia: Dasyuridae)?

   • Katherine A. Lazenby-Cohen
   • Andrew Cockburn

   OriginalPaper Pages: 195 - 202

7. Home range and social behavior of three species of European Pitymys (Mammalia, Rodentia)

   • Marco Salvioni

   OriginalPaper Pages: 203 - 210

8. Local mate competition, sex ratio and clutch size in bethylid wasps

   • N. T. Griffiths
   • H. C. J. Godfray

   OriginalPaper Pages: 211 - 217

9. Avoided temperature leads to the surface: computer modeling of slime mold and nematode thermotaxis

   • D. B. Dusenbery

   OriginalPaper Pages: 219 - 223

10. A risk-balancing trade off between foraging rewards and predation hazard in a shoaling fish

    • T. J. Pitcher
    • S. H. Lang
    • J. A. Turner

    OriginalPaper Pages: 225 - 228