Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to W. R. Dawson Esq.; 49 Palace Mansions, W.14. In reply to W. R. Dawson's letter, informs him that the paper by [Thomas Joseph] Pettigrew was published in the Proceedings Colume 3 (1833), and that the British Museum possesses a copy. 6 January 1929