Memoranda, on a paper 'Arrangements with given number of neighbours' by T S Chang and C C Ho Sectional Committee: Physics Recommended for publication in the 'Proceedings of the Royal Society of London'. Alfred Charles Glyn Egerton thinks the paper can be passed without referee, as the communicator Ralph Howard Fowler considers the paper to be groundbreaking and without security issues. Sydney Chapman agrees to acceptance of the paper. [Published in the 'Proceedings of the Royal Society of London'] Endorsed on recto as received 7 October 1941. 6 October 1941