Referee's report by Harold Munro Fox, on a paper 'The effects of cold and colchicine on mitosis in the newt' by Horace Newton Barber and Harold Garnet Callan Sectional Committee: Zoology Recommended for publication in the 'Proceedings of the Royal Society of London'. Suggests the reasons and importance for studying the subject be further discussed in the intoduction. Suggests reducing the number of years shown on the graphs and omitting some of the figures. 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]