Referee's report by William Ogilvy Kermack, on a paper 'The role of mutation in the adaptation of a yeast to galactose' by A A Eddy Sectional committee: Physiology Paper reference code: B.41 Recommended for publication in the Proceedings, though some shortening of the paper might be possible. Recommends that another referee with suitable experience reviews the genetic parts of the paper. [Published in Proceedings B, 1954]. Received 16 November 1953 13 November 1953