1. Genetic and behavioral conflict over male production between workers and queens in the stingless bee Paratrigona subnuda

   • Eva Tóth
   • David C. Queller
   • Joan E. Strassmann

   Original Article Pages: 1 - 8

2. Acoustic interactions among male gray treefrogs, Hyla versicolor, in a chorus setting

   • Joshua J. Schwartz
   • Bryant W. Buchanan
   • H. Gerhardt

   Original Article Pages: 9 - 19

3. Dominant male red junglefowl (Gallus gallus) test the dominance status of other males

   • Timothy H. Parker
   • David J. Ligon

   Original Article Pages: 20 - 24

4. Sex-ratio variation in Soay sheep

   • Jan Lindström
   • Tim Coulson
   • Tim Clutton-Brock

   Original Article Pages: 25 - 30

5. Male sperm whale (Physeter macrocephalus) acoustics in a high-latitude habitat: implications for echolocation and communication

   • P. Madsen
   • M. Wahlberg
   • B. Møhl

   Original Article Pages: 31 - 41

6. Duplex auditory distance assessment in a small passerine bird (Pipilo erythrophthalmus)

   • Brian S. Nelson

   Original Article Pages: 42 - 50

7. The spider and fly revisited: ploy–counterploy behavior in a unique predator–prey system

   • Craig S. Hieber
   • Stimson R. Wilcox
   • George W. Uetz

   Original Article Pages: 51 - 60

8. Acknowledgement to Referees

   Acknowledgement to referees 27 November 2002 Pages: 61 - 63