Letter from [John Gaston] Leathem, St John's College, Cambridge, to The Assistant Secretary, Royal Society Informs that prior to sending any supplementary note to his paper on "Some Applications of s of Conformal Transformation to Problems in Hydrodynamics", he consulted Joseph Larmor, who willingly undertook communicating it to the Royal Society but said that no further written statement by him to that effect was necessary, the note being a mere post-script toa paper which he had already communicated. 19 June 1915