From the Proceedings of the American Physiological Society, Thirty-Fourth Annual Meeting held in New Haven, December 28, 29, 30, 1921. This is an abstract of the paper, delivered by F. G. Banting on December 30th, entitled 'The Beneficial Influences of Certain Pancreatic Extracts on Pancreatic Diabetes.' J. J. R. Macleod, a member of the American Physiological Society, was chair of the session. In the audience were many prominent scientists including: F. M. Allen, E. P. Joslin, and G. H. A. Clowes.