Referee's report by John Burdon Sanderson Haldane, on a paper 'The development of the bristles in normal and some mutant types of Drosophila melanogaster' by Anthony David Lees and Conrad Hal Waddington Sectional Committee: Zoology Recommended for publication in the 'Proceedings of the Royal Society of London'. Suggests the authors use standard convention in the use of the term 'compound'. Seds a list of errata for the authors. 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. [1942]