Referee's report by Christopher Howard Andrewes, on a paper 'Experiments on the inactivation of bacteriophage by radiations, and their bearing on the nature of bacteriophage' by D E Lea and M H Salaman Sectional committee: Physiology Recommended for publication in Proceedings. The contrast implied by the author is 'a little unfortunate', since microbiologists are divided as to whether it is possible for a virus to be both a macromolecule and an organism. The authors should be more cautious in concluding that nargets are genes. [Published in Proceedings of the Royal Society B, 1946]. Date received not given. 1945