Letter from Harold Davenport on a paper 'The geometry of numbers of non-convex regions with hexagonal symmetry' by B P Bambah, to D C Martin, Assistant Secretary of the Royal Society Paper reference code: A121 Davenport remarks the author has met all suggestions and the paper is now suitable for publication in the Philosophical Transactions. Written at University College London, Department of Mathematics [England]. [Published in Philosophical Transactions A, 1951]. Endorsed on recto as received 15 January 1951. 12 January 1951