1. Dominance and fertility in a functionally monogynous ant

   • J. Heinze
   • T. A. Smith

   OriginalPaper Pages: 1 - 10

2. Time-dependent shifts between infanticidal and parental behavior in female burying beetles a mechanism of indirect mother-offspring recognition

   • J. K. Müller
   • Anne-Katrin Eggert

   OriginalPaper Pages: 11 - 16

3. Do sticklebacks cooperate repeatedly in reciprocal pairs?

   • M. Milinski
   • D. Pfluger
   • R. Kettler

   OriginalPaper Pages: 17 - 21

4. Sexual behavior is related to badge size in the house sparrow Passer domesticus

   • Anders Pape Møller

   OriginalPaper Pages: 23 - 29

5. Sex allocation and queen-worker conflict in polygynous ants

   • Pekka Pamilo

   OriginalPaper Pages: 31 - 36

6. Philopatry and nest founding in a primitively social bee, Halictus rubicundus

   • Douglas Yanega

   OriginalPaper Pages: 37 - 42

7. Nuptial feeding in tettigoniids male costs and the rates of fecundity increase

   • L. W. Simmons

   OriginalPaper Pages: 43 - 47

8. Social spider defense against kleptoparasitism

   • Karen R. Cangialosi

   OriginalPaper Pages: 49 - 54

9. Analysing sperm competition data: simple models for predicting mechanisms

   • G. A. Parker
   • L. W. Simmons
   • H. Kirk

   OriginalPaper Pages: 55 - 65

10. Genetic parentage in the indigo bunting: a study using DNA fingerprinting

    • David F. Westneat

    OriginalPaper Pages: 67 - 76