Referee's report by Lancelot Thomas Hogben, on a paper 'Development of eye colours in Drosophila: Pupal transplants and the influence of body fluid on vermilion' by George Wells Beadle, C W Clancy and Boris Ephrussi Sectional Committee: Zoology Recommended for publication in the 'Proceedings of the Royal Society of London'. Suggests expanding the description of the genetic characters and stock of the Drosophila used. Suggests adding more discussion of the interactions to the conclusions. Finds the text figure unnecessary. [Published in the 'Proceedings of the Royal Society of London'] Endorsed on verso as received 20 November 1936. [November 1936]