1. Choice, delay, probability, and conditioned reinforcement

   • James E. Mazur

   OriginalPaper Pages: 131 - 147

2. The influence of stimulus attributes on duration matching-to-sample in pigeons

   • Philipp J. Kraemer
   • Christopher K. Randall
   • Russell W. Brown

   OriginalPaper Pages: 148 - 157

3. Retroactive interference and rate of forgetting in delayed matching-to-sample performance

   • David N. Harper
   • K. Geoffrey White

   OriginalPaper Pages: 158 - 164

4. Short-term spatial memory in honeybees

   • M. R. Isnec
   • P. A. Couvillon
   • M. E. Bitterman

   OriginalPaper Pages: 165 - 170

5. Discriminating between reward-produced memories: Effects of differences in reward magnitude

   • E. J. Capaldi
   • Suzan Alptekin
   • Kimberly Birmingham

   OriginalPaper Pages: 171 - 176

6. Rapid timing of a single transition in interfood interval duration by rats

   • Jennifer J. Higa

   OriginalPaper Pages: 177 - 184

7. Visual discrimination of real objects and pictures in pigeons

   • Shigeru Watanabe

   OriginalPaper Pages: 185 - 192

8. Odors of individuality originating from the major histocompatibility complex are masked by diet cues in the urine of rats

   • Heather Macintosh Schellinck
   • Burton M. Slotnick
   • Richard E. Brown

   OriginalPaper Pages: 193 - 199

9. Summation: Assessment of a configural theory

   • Robert A. Rescorla

   OriginalPaper Pages: 200 - 209

10. One-trial simultaneous and backward excitatory fear conditioning in rats: Lick suppression, freezing, and rearing to CS compounds and their elements

    • Melody Albert
    • John J. B. Ayres

    OriginalPaper Pages: 210 - 220

11. Temporal integration in second-order conditioning and sensory preconditioning

    • Robert C. Barnet
    • Robert P. Cole
    • Ralph R. Miller

    OriginalPaper Pages: 221 - 233

12. Pigeons’ serial ordering of numerosity with visual arrays

    • Jacky Emmerton
    • Annette Lohmann
    • Joachim Niemann

    OriginalPaper Pages: 234 - 244

13. Forthcoming articles

    Announcement Pages: 245 - 245

14. Notices and announcements

    Announcement Pages: 246 - 247