On the wave-like character of periodic precipitates C. V. RamanK. Subba Ramaiah OriginalPaper Pages: 455 - 466
On non-linear partial differential equations of the parabolic type S. Minakshi Sundaram OriginalPaper Pages: 479 - 494
On non-linear partial differential equations of the hyperbolic type S. Minakshi Sundaram OriginalPaper Pages: 495 - 503
A simple cylindrical lens spectrograph for the optical determination of the concentration of ozone in the atmospheric layers near the ground M. W. Chiplonkar OriginalPaper Pages: 504 - 507
Condensation of aldehydes with malonic acid Kantilal C. PandyaTejpal Singh SodhiDilbahar Singh Mittal OriginalPaper Pages: 511 - 517
Some measurements of chloride, nitrate and nitrite present in the water of the monsoon rains at Bombay R. Narayanaswami OriginalPaper Pages: 518 - 525
The question of the fixation of the aromatic double bonds in hydroxy-chromones and coumarins. Formation of azo-dyes S. RangaswamiT. R. Seshadri OriginalPaper Pages: 526 - 530