1. Changes in sizes and shapes of spherical galaxies in head-on collisions

   • Farooq Ahmed
   • Saleh Mohammed Alladin

   OriginalPaper Pages: 349 - 363

2. The two components in the distribution of sunspot groups with respect to their maximum areas

   • M. H. Gokhale
   • K. R. Sivaraman

   OriginalPaper Pages: 365 - 377

3. Plasma heating in a sheared magnetic field

   • V. Krishan

   OriginalPaper Pages: 379 - 385

4. Rotation and luminosity variations in post-main sequence stars

   • Paul J. Wiita

   OriginalPaper Pages: 387 - 403

5. Equilibrium configuration of the magnetosphere of a star loaded with accreted magnetized mass

   • Yutaka Uchida
   • B. C. Low

   OriginalPaper Pages: 405 - 419

6. Structure and stability of rotating fluid disks around massive objects. I. Newtonian formulation

   • D. K. Chakraborty
   • A. R. Prasanna

   OriginalPaper Pages: 421 - 437

7. Corrigendum

   • K. K. Scaria
   • M. K. V. Bappu

   Erratum Pages: A7 - A7