Referee's report by Edward Victor Appleton, on a paper 'The dielectric coefficients of gases III—Allene, allylene, butanes, butylenes, cyanogen, and hydrogen cyanide—IV— Fluorides of boron, nitrogen, and carbon' by H E Watson, G P Kane and K L Ramaswamy Sectional Committee: Chemistry Recommended for publication in the 'Proceedings of the Royal Society of London'. [Published in the 'Proceedings of the Royal Society of London'] Endorsed on verso as received 27 May 1936. [May 1936]