'I congratulate you upon the curious discoveries you have obtaind by the Mahometan Priest that was brought over from the West Indies, upon the medals of the Chalifs, & upon Amulets, which is a very puzzling matter. ... [I have] applied myself to the Translation of Weights, Measures of Mr Arbuthnot that has been desired of me.' (BL, Sloane MS 4053, f.285; Burnett 2020b, pp. 501 n. 122, 667 n. 169)