Referee's report by Heinrich Ernst Karl Jordan, on a paper 'On the development of the male genitalia and the efferent genital ducts in lepidoptera' by Dev Raj Mehta Sectional Committee: Zoology Paper reference code: B.24 Not recommended for publication in the 'Proceedings of the Royal Society of London'. The paper consists of restatements of known facts and opinions. The paper might be useful however to students, and is therefore suitable for an entomological journal. [Not published] Endorsed on verso as received 8 June 1932. [June 1932]