Letter from [Percy Fry] Kendall to [Sir Henry Hallett] Dale, regarding a paper 'The Formation of Rock Joints and the Cleat of Coal' by Kendall and [Henry] Briggs Paper reference code: B.97 States that he and Briggs are in agreement that their paper should be withdrawn. [Not published in Royal Society journals but published in the Proceedings of the Royal Society of Edinburgh, vol. 53, 1934, pp. 164-187]. Received 6 March 1933 4 March 1933