Letter from Roderick Impey Murchison, to Edward Sabine, regarding a paper 'A brief account of the 'Thesaurus Siluricus,' with a few facts and inferences' by John Jeremiah Bigsby Asks Edward Sabine to request a reading of the paper at the earliest convenience. Refers to work by Vimuel [?], Baurande [?] and Konigh [Charles Konig?]. Subject: Geology, Palaeontology [Published in the 'Proceedings of the Royal Society of London'] 2 November 1866