1. Worker allocation in insect societies: coordination of nectar foragers and nectar receivers in honey bee (Apis mellifera) colonies

   • Carl Anderson
   • Francis L. W. Ratnieks

   REVIEW Pages: 73 - 81

2. A dynamic model of human dispersal in a land-based economy

   • Mary C. Towner

   ORIGINAL ARTICLE Pages: 82 - 94

3. Sex allocation and local mate competition in Old World non-pollinating fig wasps

   • Mark D. E. Fellowes
   • Steve G. Compton
   • James M. Cook

   ORIGINAL ARTICLE Pages: 95 - 102

4. Multiple mating and facultative polygyny in the Panamanian leafcutter ant Acromyrmex echinatior

   • Dorte Bekkevold
   • Jane Frydenberg
   • Jacobus J. Boomsma

   ORIGINAL ARTICLE Pages: 103 - 109

5. Predation, scramble competition, and the vigilance group size effect in dark-eyed juncos (Junco hyemalis)

   • Steven L. Lima
   • Patrick A. Zollner
   • Peter A. Bednekoff

   ORIGINAL ARTICLE Pages: 110 - 116

6. Seasonal variation in the relationship between cellular immune response and badge size in male house sparrows (Passer domesticus)

   • Guillermo Gonzalez
   • Gabriele Sorci
   • Florentino de Lope

   ORIGINAL ARTICLE Pages: 117 - 122

7. Sexual signalling and viability in a wolf spider (Hygrolycosa rubrofasciata): measurements under laboratory and field conditions

   • Janne S. Kotiaho
   • Rauno V. Alatalo
   • Silja Parri

   ORIGINAL ARTICLE Pages: 123 - 128

8. Social foraging in stingless bees: how colonies of Melipona fasciata choose among nectar sources

   • Jacobus C. Biesmeijer
   • Marcel C. W. Ermers

   ORIGINAL ARTICLE Pages: 129 - 140