1. Behavioral evidence for population structure in Lasioglossum (Dialictus) zephyrum female dispersion patterns

   • P. F. Kukuk
   • P. C. Decelles

   OriginalPaper Pages: 233 - 239

2. Behaviour around encounter sites

   • Steven P. Courtney
   • Karl Anderson

   OriginalPaper Pages: 241 - 248

3. Larval hemolymph feeding: a nondestructive parental cannibalism in the primitive ant Amblyopone silvestrii Wheeler (Hymenoptera: Formicidae)

   • Keiichi Masuko

   OriginalPaper Pages: 249 - 255

4. Sex differences in fitness following a group take-over among Toque macaques: testing models of social evolution

   • Wolfgang P. J. Dittus

   OriginalPaper Pages: 257 - 266

5. Predator inspection behaviour in minnow shoals: differences between populations and individuals

   • Anne E. Magurran

   OriginalPaper Pages: 267 - 273

6. Foraging decisions of American robins: somatic and reproductive tradeoffs

   • Robert K. Swihart
   • Steven G. Johnson

   OriginalPaper Pages: 275 - 282

7. Diploid male production — a significant colony mortality factor in the fire ant Solenopsis invicta (Hymenoptera: Formicidae)

   • Kenneth G. Ross
   • David J. C. Fletcher

   OriginalPaper Pages: 283 - 291

8. Mating by pregnant water voles (Arvicola terrestris): a strategy to counter infanticide by males?

   • Boel Jeppsson

   OriginalPaper Pages: 293 - 296

9. Male bird song attracts females — a field experiment

   • Dag Eriksson
   • Lars Wallin

   OriginalPaper Pages: 297 - 299

10. Mate choice, fecundity and sexual dimorphism in two pipefish species (Syngnathidae)

    • A. Berglund
    • G. Rosenqvist
    • I. Svensson

    OriginalPaper Pages: 301 - 307

11. Erratum

    Erratum Pages: 307 - 307