1. Thiophenes and thiapyrans

   • K. Rabindran
   • B. D. Tilak

   OriginalPaper Article: 411

2. A new synthesis of thiophenes and thiapyrans

   • K. Rabindran
   • A. V. Sunthankar
   • B. D. Tilak

   OriginalPaper Article: 405

3. Quasi-monotone series and an extension of Dvoretzky’s theorem

   • S. M. Shah
   • Mohd Ishaq

   OriginalPaper Article: 402

4. Studies in the chemical behaviour of some compounds of sulphur

   • A. R. Vasudeva Murthy

   OriginalPaper Article: 388

5. Aging of surfaces of invertase solutions

   • H. C. Saraswat

   OriginalPaper Article: 381

6. Sound velocities in some Indian rock specimens

   • S. Balakrishna

   OriginalPaper Article: 375

7. Analysis of amino acids using paper chromatography (Horizontal migration)

   • P. S. Rao
   • R. M. Beri

   OriginalPaper Article: 370

8. Some converse theorems on summability

   • M. R. Parameswaran

   OriginalPaper Article: 363

9. Nuclear oxidation in flavones and related compounds

   • J. M. Sehgal
   • T. R. Seshadri

   OriginalPaper Article: 355

10. Surface films of invertase

    • K. S. G. Doss
    • H. C. Saraswat

    OriginalPaper Article: 343

11. On the asymptotic behaviour of solutions of non-linear differential equations

    • B. Viswanatham

    OriginalPaper Article: 335

12. On the iridescence of potassium chlorate crystals

    • C. V. Raman
    • D. Krishnamurti

    OriginalPaper Article: 330

13. On the iridescence of potassium chlorate crystals

    • C. V. Raman
    • D. Krishnamurti

    OriginalPaper Article: 321

14. On the iridescence of potassium chlorate crystals

    • C. V. Raman
    • D. Krishnamurti

    OriginalPaper Article: 315