Worker allocation in insect societies: coordination of nectar foragers and nectar receivers in honey bee (Apis mellifera) colonies Carl AndersonFrancis L. W. Ratnieks REVIEW Pages: 73 - 81
A dynamic model of human dispersal in a land-based economy Mary C. Towner ORIGINAL ARTICLE Pages: 82 - 94
Sex allocation and local mate competition in Old World non-pollinating fig wasps Mark D. E. FellowesSteve G. ComptonJames M. Cook ORIGINAL ARTICLE Pages: 95 - 102
Multiple mating and facultative polygyny in the Panamanian leafcutter ant Acromyrmex echinatior Dorte BekkevoldJane FrydenbergJacobus J. Boomsma ORIGINAL ARTICLE Pages: 103 - 109
Predation, scramble competition, and the vigilance group size effect in dark-eyed juncos (Junco hyemalis) Steven L. LimaPatrick A. ZollnerPeter A. Bednekoff ORIGINAL ARTICLE Pages: 110 - 116
Seasonal variation in the relationship between cellular immune response and badge size in male house sparrows (Passer domesticus) Guillermo GonzalezGabriele SorciFlorentino de Lope ORIGINAL ARTICLE Pages: 117 - 122
Sexual signalling and viability in a wolf spider (Hygrolycosa rubrofasciata): measurements under laboratory and field conditions Janne S. KotiahoRauno V. AlataloSilja Parri ORIGINAL ARTICLE Pages: 123 - 128
Social foraging in stingless bees: how colonies of Melipona fasciata choose among nectar sources Jacobus C. BiesmeijerMarcel C. W. Ermers ORIGINAL ARTICLE Pages: 129 - 140
