JUBILEE VOLUME OF THE JOURNAL OF THE INDIAN CHEMICAL SOCIETY In commemoration of the seventieth birthday of Sir P. C. Ray, the Founder, the Foundation-President and a Patron of the Society, a Jubilee Volume is being published by the Indian Chemical Society, containing contributions from many eminent chemists in India and abroad. The volume will cover about 350 pages. Price for Fellows, Rs. 3 and for Non-Fellows, Rs. 5. Orders for this volume may be sent to the Honorary Secretary, Indian Chemical Society, P. O. Box 10,857, Calcutta.