1. Associations among members of a black-capped chickadee flock

   • Millicent S. Ficken
   • Steve R. Witkin
   • Charles M. Weise

   OriginalPaper Pages: 245 - 249

2. Kinship, demography, and belding's ground squirrel nepotism

   • Paul W. Sherman

   OriginalPaper Pages: 251 - 259

3. Dominance and competition in an herbivorous lizard

   • John H. Carothers

   OriginalPaper Pages: 261 - 266

4. Effect of group size and physiological state of a cagemate on reproduction in the parthenogenetic lizard, Cnemidophorous uniparens (Teiidae)

   • Jill Elizabeth Gustafson
   • David Crews

   OriginalPaper Pages: 267 - 272

5. The costs and benefits of frog chorusing behavior

   • Michael J. Ryan
   • Merlin D. Tuttle
   • Lucinda K. Taft

   OriginalPaper Pages: 273 - 278

6. Genetic differentiation among matrilines in social groups of rhesus monkeys

   • Thomas J. Olivier
   • Carole Ober
   • Donald Stone Sade

   OriginalPaper Pages: 279 - 285

7. Male social status, physiology, and ability to block pregnancies in female house mice (Mus musculus)

   • Jay B. Labov

   OriginalPaper Pages: 287 - 291

8. Scent mediation of intraspecific, interspecific, and intergeneric agonistic behavior among sympatric species of voles (Microtinae)

   • Frederick J. Jannett Jr.

   OriginalPaper Pages: 293 - 296

9. Sex ratios in high-density populations of the montane vole, Microtus montanus, and the behavior of territorial males

   • Frederick J. Jannett Jr

   OriginalPaper Pages: 297 - 307

10. Lek territoriality in the tarantula hawk wasp Hemipepsis ustulata (Hymenoptera: Pompilidae)

    • John Alcock

    OriginalPaper Pages: 309 - 317