1. Parental investment, potential reproductive rates, and mating system in the strawberry dart-poison frog, Dendrobates pumilio

   • Heike Pröhl
   • Walter Hödl

   ORIGINAL ARTICLE Pages: 215 - 220

2. Exaggerated male eye span influences contest outcome in stalk-eyed flies (Diopsidae)

   • Tami M. Panhuis
   • Gerald S. Wilkinson

   ORIGINAL ARTICLE Pages: 221 - 227

3. Evidence for division of labor in the social caterpillar Eucheira socialis (Lepidoptera: Pieridae)

   • Dessie L. A. Underwood
   • Arthur M. Shapiro

   ORIGINAL ARTICLE Pages: 228 - 236

4. Does the African social spider Stegodyphus dumicola control the sex of individual offspring?

   • Leticia Avilés
   • Cora Varas
   • Eric Dyreson

   ORIGINAL ARTICLE Pages: 237 - 243

5. Maternal energy expenditure does not change with flight costs or food availability in the pied flycatcher (Ficedula hypoleuca): costs and benefits for nestlings

   • Juan Moreno
   • Santiago Merino
   • Rosa Rodríguez

   ORIGINAL ARTICLE Pages: 244 - 251

6. Low paternity in the hornet Vespa crabro indicates that multiple mating by queens is derived in vespine wasps

   • Kevin R. Foster
   • Perttu Seppä
   • Peter A. Thorén

   ORIGINAL ARTICLE Pages: 252 - 257

7. Female choice in the opportunistic mating of wild chimpanzees (Pan troglodytes schweinfurthii) at Mahale

   • Akiko Matsumoto-Oda

   ORIGINAL ARTICLE Pages: 258 - 266

8. Why do snakes have eyes? The (non-)effect of blindness in island tiger snakes (Notechis scutatus)

   • Xavier Bonnet
   • Don Bradshaw
   • David Pearson

   ORIGINAL ARTICLE Pages: 267 - 272

9. Gene flow and local adaptation in a sunfish-salamander system

   • Andrew Storfer

   ORIGINAL ARTICLE Pages: 273 - 279

10. Should I stay or should I go? Testing optimality models of stopover decisions in migrating birds

    • Thomas P. Weber
    • Thord Fransson
    • Alasdair I. Houston

    ORIGINAL ARTICLE Pages: 280 - 286