Third referee's report by Reginald Ruggles Gates, on five papers 'The external mechanics of the chromosomes I—The scope of enquiry', 'The external mechanics of the chromosomes II-Meiosis in diploids', 'The external mechanics of the chromosomes III-Meiosis in triploids', 'The external mechanics of the chromosomes IV—Abnormal mitosis and meiosis' and 'The External mechanics of the chromosomes V—The balance theory of mitosis' by Cyril Dean Darlington Sectional Committee: Botany In letter to Mr Winckworth, accepts the first alternative wording for the reference to his work, with slight amendment. 'When you write, it might be worth while pointing out that the delay in replying was due to your absence, or he might conclude it was the fault of the referee'. [Published in the 'Proceedings of the Royal Society of London'] Endorsed on recto as received 7 October 1936. 6 October 1936