1. The structure and optical characters of iridescent glass

   • C. V. Raman
   • V. S. Rajagopalan

   OriginalPaper Pages: 371 - 381

2. Dispersion of ultrasonic velocity in liquids

   • K. G. Krishnan

   OriginalPaper Pages: 382 - 385

3. Variation in the nocturnal radiation from the sky with zenith distance and with time during the night

   • L. A. Ramdas
   • B. N. Sreenivasiah
   • P. K. Raman

   OriginalPaper Pages: 386 - 389

4. Chemical investigation of the seed-oil ofOroxylum indicum Vent.

   • C. R. Mehta

   OriginalPaper Pages: 390 - 395

5. Analogues of Bauer’s theorems

   • Hansraj Gupta

   BriefCommunication Pages: 396 - 398

6. On a problem of arrangements

   • Hansraj Gupta

   OriginalPaper Pages: 399 - 403

7. Effect of temperature on the characters of the wings accompanying the Rayleigh lines in liquids

   • K. Bapayya

   OriginalPaper Pages: 404 - 409

8. On an infinite system of non-linear integro-differential equations

   • S. Minakshi Sundaram

   OriginalPaper Pages: 410 - 418

9. On a problem of arrangements

   • S. Chowla

   BriefCommunication Pages: 419 - 421

10. Diffraction of light by supersonic waves—Part I

    • K. Nagabhushana Rao

    OriginalPaper Pages: 422 - 446

11. Potential problems concerning curved boundaries

    • B. R. Seth

    OriginalPaper Pages: 447 - 453