1. The structure and optical behaviour of pearls

   • C. V. Raman
   • D. Krishnamurti

   OriginalPaper Pages: 215 - 222

2. Preferred orientation in rocks and its relation to their physical properties

   • S. Balakrishna

   OriginalPaper Pages: 223 - 231

3. Synthesis of quinolizine derivatives

   • T. R. Govindachari
   • B. S. Thyagarajan

   OriginalPaper Pages: 232 - 239

4. Colouring matter of the flower petals ofBauhinia Tomentosa linn

   • L. Ramachandra Row
   • N. Viswanadham

   OriginalPaper Pages: 240 - 242

5. The rotatory dispersion of benzil

   • S. Chandrasekhar

   OriginalPaper Pages: 243 - 253

6. Synthetic experiments in the benzopyrone series

   • Om Parkash Goel
   • N. Narasimhachari
   • T. R. Seshadri

   OriginalPaper Pages: 254 - 263