1. The motion of magnetic field lines

   • David P. Stern

   OriginalPaper Pages: 147 - 173

2. The origin of tektites

   • John A. O'keefe

   OriginalPaper Pages: 174 - 221

3. The application of image orthicon techniques to auroral observation

   • T. Neil Davis

   OriginalPaper Pages: 222 - 247

4. The rotational speed of the upper atmosphere

   • D. G. King-Hele
   • R. R. Allan

   OriginalPaper Pages: 248 - 272

5. Book reviews

   • C. De Jager
   • E. P. J. van den Heuvel
   • M. Minnaert

   BookReview Pages: 273 - 276