Referee's report by Derek Ainslie Jackson, on a paper 'Hyperfine structure in the 5d96p and 5d86s2 configurations of the spectrum of Hg III' by E W Foster Sectional committee: Physics Paper reference code: A56 Recommended for publication in the Proceedings. Jackson remarks some of the English is 'rather unconventional' and suggests changes. [Published in Proceedings A, 1951]. Date received not given. 26 March 1951