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Volume 271(1540);  April 7, 2004
Detecting hemifacial asymmetries in emotional expression with three-dimensional computerized image analysis.
Michael E R Nicholls, Brooke E Ellis, John G Clement, and Mineo Yoshino
Proc Biol Sci. 2004 April 7; 271(1540): 663–668.
PMCID: PMC1691649
Stability in negotiation games and the emergence of cooperation.
Peter D Taylor and Troy Day
Proc Biol Sci. 2004 April 7; 271(1540): 669–674.
PMCID: PMC1691654
Laboratory mating trials indicate incipient speciation by sexual selection among populations of the cichlid fish Pseudotropheus zebra from Lake Malawi.
Mairi E Knight and George F Turner
Proc Biol Sci. 2004 April 7; 271(1540): 675–680.
PMCID: PMC1691644
Ecological conditions during winter affect sexual selection and breeding in a migratory bird.
Nicola Saino, Tibor Szép, Roberto Ambrosini, Maria Romano, and Anders Pape Møller
Proc Biol Sci. 2004 April 7; 271(1540): 681–686.
PMCID: PMC1691647
Sexual selection can constrain sympatric speciation.
Mark Kirkpatrick and Scott L. Nuismer
Proc Biol Sci. 2004 April 7; 271(1540): 687–693.
PMCID: PMC1691651
Coping with divided attention: the advantage of familiarity.
S W Griffiths, S Brockmark, J Höjesjö, and J I Johnsson
Proc Biol Sci. 2004 April 7; 271(1540): 695–699.
PMCID: PMC1691656
Chaos and language.
W Garrett Mitchener and Martin A Nowak
Proc Biol Sci. 2004 April 7; 271(1540): 701–704.
PMCID: PMC1691646
Two steps forward, one step back: the pleiotropic effects of favoured alleles.
Sarah P Otto
Proc Biol Sci. 2004 April 7; 271(1540): 705–714.
PMCID: PMC1691650
The evolution of resistance through costly acquired immunity.
Michael Boots and Roger G Bowers
Proc Biol Sci. 2004 April 7; 271(1540): 715–723.
PMCID: PMC1691655
A community-level evaluation of the impact of prey behavioural and ecological characteristics on predator diet composition.
Susanne Shultz, Ronald Noë, W Scott McGraw, and R I M Dunbar
Proc Biol Sci. 2004 April 7; 271(1540): 725–732.
PMCID: PMC1691645
Marine dinoflagellates show induced life-history shifts to escape parasite infection in response to water-borne signals.
Gunilla B Toth, Fredrik Norén, Erik Selander, and Henrik Pavia
Proc Biol Sci. 2004 April 7; 271(1540): 733–738.
PMCID: PMC1691648
Virulence reaction norms across a food gradient.
Stephanie Bedhomme, Philip Agnew, Christine Sidobre, and Yannis Michalakis
Proc Biol Sci. 2004 April 7; 271(1540): 739–744.
PMCID: PMC1691653
Can cuticular lipids provide sufficient information for within-colony nepotism in wasps?
Francesca R Dani, Kevin R Foster, Francesca Zacchi, Perttu Seppä, Alessandro Massolo, Annalisa Carelli, Elisabeth Arévalo, David C Queller, Joan E Strassmann, and Stefano Turillazzi
Proc Biol Sci. 2004 April 7; 271(1540): 745–753.
PMCID: PMC1691643
Hornbills can distinguish between primate alarm calls.
Hugo J Rainey, Klaus Zuberbühler, and Peter J B Slater
Proc Biol Sci. 2004 April 7; 271(1540): 755–759.
PMCID: PMC1691652
Evidence for an elastic projection mechanism in the chameleon tongue.
Jurriaan H. de Groot and Johan L. van Leeuwen
Proc Biol Sci. 2004 April 7; 271(1540): 761–770.
PMCID: PMC1691657
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