Referee's report by John Burdon Sanderson Haldane, on a paper 'The relation between nutrition and exhibition of the gene antennales (Drosophila melanogaster)' by C Gordon and James H Sang Sectional Committee: Zoology Recommended for publication in the 'Proceedings of the Royal Society of London', after shortening. Suggests places for shortening, including curtailing the introduction and omitting some of the tables. If the authors are unwilling to shorten the paper, it should be published elsewhere. Contains extra question - 'Is there any information contained in the paper which likely to be of value to the enemy?' Referee replies no. [Published in the 'Proceedings of the Royal Society of London'] No received date. [1941]