1. On the polycrystalline forms of gypsum and their optical behaviour

   • C. V. Raman
   • A. K. Ramdas

   OriginalPaper Pages: 153 - 161

2. On relativistic particles in high energy showers

   • Rama

   OriginalPaper Pages: 162 - 164

3. Synthetic experiments in the benzopyrone series

   • V. B. Mahesh
   • N. Narasimhachari
   • T. R. Seshadri

   OriginalPaper Pages: 165 - 175

4. Application of Lennard-Jones Devonshire equation of state to detonation of PETN

   • M. P. Murgai

   OriginalPaper Pages: 176 - 184

5. Naphthoquinone series

   • B. Suryanarayana
   • B. D. Tilak

   OriginalPaper Pages: 185 - 195

6. The theory of elasticity and of wave-propagation in crystals from the atomistic standpoint

   • K. S. Viswanathan

   OriginalPaper Pages: 196 - 213

7. The preparation of large nuclear emulsion detectors and their application to the study of K-mesons and hyperons

   • D. Lal
   • Yash Pal
   • B. Peters

   Erratum Pages: 214 - 214

8. Errata

   • D. Lal
   • Yash Pal
   • Rama

   Erratum Pages: 215 - 215