1. Evenly dispersed social groups and intergroup competition for juveniles in a coral-reef fish

   • Douglas Y. Shapiro
   • Ralf H. Boulon Jr.

   OriginalPaper Pages: 343 - 350

2. Territory dynamics in a sage sparrow population: are shifts in site use adaptive?

   • Kenneth L. Petersen
   • Louis B. Best

   OriginalPaper Pages: 351 - 358

3. Adaptive responses to local mate competition by the parasitoid, Telenomus remus

   • Cees R. L. van Welzen
   • Jeffrey K. Waage

   OriginalPaper Pages: 359 - 365

4. Dispersal: an alternative mating tactic conditional on sex ratio and body size

   • W. S. Lawrence

   OriginalPaper Pages: 367 - 373

5. The influence of intergroup competition on the survival and reproduction of female vervet monkeys

   • D. L. Cheney
   • R. M. Seyfarth

   OriginalPaper Pages: 375 - 386

6. Intra-colony relatedness and sociality in the allodapine bee Exoneura bicolor

   • Michael P. Schwarz

   OriginalPaper Pages: 387 - 392

7. Birth synchrony in squirrel monkeys (Saimiri oerstedi)

   • S. Boinski

   OriginalPaper Pages: 393 - 400

8. Host location and exploitation by the cleptoparasitic wasp Argochrysis armilla: the role of learning (Hymenoptera: Chrysididae)

   • Jay A. Rosenheim

   OriginalPaper Pages: 401 - 406