| | This journal provides immediate access to some articles. Do sexual ornaments demonstrate heightened condition-dependent expression as predicted by the handicap hypothesis? Samuel Cotton, Kevin Fowler, and Andrew Pomiankowski Proc Biol Sci. 2004 April 22; 271(1541): 771–783. PMCID: PMC1691662 Interference competition and parasite virulence. Ruth C Massey, Angus Buckling, and Richard ffrench-Constant Proc Biol Sci. 2004 April 22; 271(1541): 785–788. PMCID: PMC1691666 Recurrent cerebellar architecture solves the motor-error problem. John Porrill, Paul Dean, and James V Stone Proc Biol Sci. 2004 April 22; 271(1541): 789–796. PMCID: PMC1691672 Extinction and biogeography in the Caribbean: new evidence from a fossil riodinid butterfly in Dominican amber. Jason P W Hall, Robert K Robbins, and Donald J Harvey Proc Biol Sci. 2004 April 22; 271(1541): 797–801. PMCID: PMC1691661 The effects of nectar addition on pollen removal and geitonogamy in the non-rewarding orchid Anacamptis morio. Steven D Johnson, Craig I Peter, and Jon Agren Proc Biol Sci. 2004 April 22; 271(1541): 803–809. PMCID: PMC1691667 Optimal reproductive-skew models fail to predict aggression in wasps. Peter Nonacs, H Kern Reeve, and Philip T Starks Proc Biol Sci. 2004 April 22; 271(1541): 811–817. PMCID: PMC1691670 A longitudinal analysis of reproductive skew in male rhesus macaques. Anja Widdig, Fred B. Bercovitch, Wolf Jürgen Streich, Ulrike Sauermann, Peter Nürnberg, and Michael Krawczak Proc Biol Sci. 2004 April 22; 271(1541): 819–826. PMCID: PMC1691659 Experimental evidence of a link between breeding conditions and the decision to breed or to help in a colonial cooperative bird. Rita Covas, Claire Doutrelant, and Morné A du Plessis Proc Biol Sci. 2004 April 22; 271(1541): 827–832. PMCID: PMC1691664 Nestling immunocompetence and testosterone covary with brood size in a songbird. Marc Naguib, Katharina Riebel, Alfonso Marzal, and Diego Gil Proc Biol Sci. 2004 April 22; 271(1541): 833–838. PMCID: PMC1691669 The mode of pheromone evolution: evidence from bark beetles. Matthew R. E. Symonds and Mark A. Elgar Proc Biol Sci. 2004 April 22; 271(1541): 839–846. PMCID: PMC1691658 Fitness consequences of avian personalities in a fluctuating environment. Niels J Dingemanse, Christiaan Both, Piet J Drent, and Joost M Tinbergen Proc Biol Sci. 2004 April 22; 271(1541): 847–852. PMCID: PMC1691663 The evolution of brain lateralization: a game-theoretical analysis of population structure. Stefano Ghirlanda and Giorgio Vallortigara Proc Biol Sci. 2004 April 22; 271(1541): 853–857. PMCID: PMC1691668 Disease dynamics in cyclic populations of field voles (Microtus agrestis): cowpox virus and vole tuberculosis (Mycobacterium microti). Rachel D Cavanagh, Xavier Lambin, Torbjørn Ergon, Malcolm Bennett, Isla M Graham, Dick van Soolingen, and Michael Begon Proc Biol Sci. 2004 April 22; 271(1541): 859–867. PMCID: PMC1691671 Allele excess at neutrally evolving microsatellites and the implications for tests of neutrality. Christian Schlötterer, Max Kauer, and Daniel Dieringer Proc Biol Sci. 2004 April 22; 271(1541): 869–874. PMCID: PMC1691660 Rapid population decline in red knots: fitness consequences of decreased refuelling rates and late arrival in Delaware Bay. Allan J Baker, Patricia M González, Theunis Piersma, Lawrence J Niles, Inês de Lima Serrano do Nascimento, Philip W Atkinson, Nigel A Clark, Clive D T Minton, Mark K Peck, and Geert Aarts Proc Biol Sci. 2004 April 22; 271(1541): 875–882. PMCID: PMC1691665 |