1. Erratum to: Elastic constants of orthorhombic sulphur

   • R. V. G. Sundara Rao

   Erratum Article: 151

2. Erratum to: Different oxidation states of manganese produced by the Fe(n, p)Mn reaction

   • C. Lakshman Rao
   • Hari D. Sharma
   • Jagdish Shankar

   Erratum Article: 151

3. Elliptic polarisation of light scattered by colloidal solutions

   • R. S. Krishnan
   • P. S. Narayanan
   • S. R. Sivarajan

   OriginalPaper Article: 140

4. The role of solvent in chemical reactions

   • V. S. Padmanabhan
   • S. V. Anantakrishnan

   OriginalPaper Article: 132

5. Effect of temperature on ultrasonic velocities in some Indian rocks

   • S. Balakrishna

   OriginalPaper Article: 125

6. Distribution of electrolytes across a semipermeable membrane in the presence of arsenic trisulphide sol

   • A. K. M. Trivedi
   • M. J. Patani

   OriginalPaper Article: 119

7. An abnormalτ-meson decay

   • R. R. Daniel
   • Yash Pal

   OriginalPaper Article: 114

8. Rapid determination of uranium in complex minerals like samarskite, columbite-tantalite and titanoniobates

   • Mahadeo M. Tillu

   OriginalPaper Article: 110

9. X-ray study of fibrous quartz

   • C. V. Raman
   • A. Jayaraman

   OriginalPaper Article: 107