Referee's report by Douglas Rayner Hartree, on a paper 'Reflection of electrons in a constant electric field with application to dialetic breakdown' by Clarence Zener Sectional committee: Mathematics Recommended for publication in Proceedings, in full. It needs considerable modification, as 'the author seems to have taken very little trouble to make his working either clear or accurate'. The title is misleading and should be changed. [Not published]. Endorsed on verso as received 6 February 1934. February 1934