1. Oscillation in physiological regulation

   • Stewart Wolf

   Editorial Pages: 187 - 189

2. Discrete, patterned and purposeful adaptive physiological adjustments integrated by forebrain influences

   • Stewart Wolf

   Papers Pages: 190 - 199

3. Spectral indices of cardiovascular adaptations to short-term simulated microgravity exposure

   • A. R. Patwardhan
   • J. M. Evans
   • C. F. Knapp

   Papers Pages: 201 - 214

4. Forebrain involvement in fatal cardiac arrhythmia

   • Stewart Wolf

   Papers Pages: 215 - 225

5. Editorial comment

   • W. Horsley Gantt
   • Ernst Gellhorn

   Historical Section Pages: 226 - 227

6. The pavlovian “principle of strength”

   • George Windholz

   Historical Section Pages: 228 - 236

7. W. Horsley Gantt—A legend in his time

   • A. McGehee Harvey

   Historical Section Pages: 237 - 243

8. Commentary

   • Stewart Wolf

   Historical Section Pages: 244 - 249

9. Book reviews

   • Barbara Griffin
   • James E. Skinner
   • Richard C. Strohman

   BookReview Pages: 250 - 259

10. Announcement

    Announcement Pages: 260 - 260