1. Populus

   • Michael L. Rosenzweig

   Editorial Pages: 219 - 219

2. Energy, predators and the behavior of feeding hummingbirds

   • Steven L. Lima

   Papers Pages: 220 - 230

3. Seed size, pollination costs and angiosperm success

   • David Haig
   • Mark Westoby

   Papers Pages: 231 - 247

4. Genetic variation in relation to demography of peripheral pool frog populations (Rana lessonae)

   • Per Sjögren

   Papers Pages: 248 - 271

5. The role of introduced species in shaping the distribution and abundance of island reptiles

   • Ted J. Case
   • Douglas T. Bolger

   Papers Pages: 272 - 290

6. Nepotism vs Tit-For-Tat, or, why should you be nice to your rotten brother?

   • D. S. Wilson
   • L. A. Dugatkin

   Papers Pages: 291 - 299

7. Tit-For-Tat in guppies (Poecilia reticulata): the relative nature of cooperation and defection during predator inspection

   • Lee A. Dugatkin
   • Michael Alfieri

   Papers Pages: 300 - 309

8. Dichogamy, gender variation and bet-hedging inPseudowintera colorata

   • Mark S. Wells
   • David G. Lloyd

   Papers Pages: 310 - 326

9. Prey abundance vs diet breadth in a spider test system

   • Susan E. Riechert

   Papers Pages: 327 - 338

10. Pure numbers, invariants and symmetry in the evolution of life histories

    • Eric L. Charnov

    Papers Pages: 339 - 342