Referee's report by Nevill Francis Mott, on a paper 'Heat conduction in a medium having thermal properties depending on the temperature' by P M Davidson and M R Hopkins Sectional Committee: Mathematics Not recommended for publication in the 'Proceedings of the Royal Society of London'. No results are given, or reasons why the solutions are important. Other results and investigations mentioned by the author should be given. [Not published] Endorsed on verso as received 27 August 1936. [August 1936]