1. Ecological correlates of social organization in a communally breeding bird, the acorn woodpecker, Melanerpes formicivorus

   • Pepper W. Trail

   OriginalPaper Pages: 83 - 92

2. Genetic variation among trait groups and apparent absence of close inbreeding in grey-crowned babblers

   • M. S. Johnson
   • J. L. Brown

   OriginalPaper Pages: 93 - 98

3. Social synchronization of circadian rhythms in deer mice (Peromyscus maniculatus)

   • Michel Crowley
   • Jacques Bovet

   OriginalPaper Pages: 99 - 105

4. Strategies of female mate choice: A theoretical analysis

   • Anthony C. Janetos

   OriginalPaper Pages: 107 - 112

5. Courtship solicitation by females of the checkered white butterfly, Pieris protodice

   • Ronald L. Rutowski

   OriginalPaper Pages: 113 - 117

6. Predatory behavior and prey selection by army ants in a desert-grassland habitat

   • John T. Mirenda
   • Doug G. Eakins
   • Howard Topoff

   OriginalPaper Pages: 119 - 127

7. Nomadic behavior of army ants in a desert-grassland habitat

   • John T. Mirenda
   • Howard Topoff

   OriginalPaper Pages: 129 - 135

8. Effects of nest site concealment on hatching success, reproductive success, and paternal behavior of the threespine stickleback, Gasterosteus aculeatus

   • Robert Craig Sargent
   • Joseph B. Gebler

   OriginalPaper Pages: 137 - 142

9. Caste and division of labor in leaf-cutter ants (Hymenoptera: Formicidae: Atta)

   • Edward O. Wilson

   OriginalPaper Pages: 143 - 156

10. Caste and division of labor in leaf-cutter ants (Hymenoptera: Formicidae: Atta)

    • Edward O. Wilson

    OriginalPaper Pages: 157 - 165