Referee's report by Arthur Stanley Eddington, on a paper 'Neutrons, degeneracy and white dwarfs' by D S Kothari Sectional Committee: Mathematics Recommended for publication in the 'Proceedings of the Royal Society of London'. The investigation is very worthwhile. 'I could make various criticisms; but I think this is a case where the author should be given freedom to present his idea in his own way'. [Published in the 'Proceedings of the Royal Society of London'] Endorsed on verso as received 29 June 1937. [June 1937]