Letter, 'An account of some organic remains found near Brentford, Middlesex by the late Mr William Kirby Trimmer' from James R Trimmer to the Right Hon Sir Joseph Banks Illustrations for this paper have been separated from the manuscript and are found at PT/73/4/6-10. Subject: Palaeontology Published in Philosophical Transactions as 'An account of some organic remains found near Brentford, Middlesex. By the late Mr. William Kirby Trimmer. Communicated in a letter from Mr. James R. Trimmer to the Right Hon. Sir Joseph Banks, Bart. K. B. P. R. S'. Written by Trimmer in Brentford. Read 4 March 1813. Abstract published in Abstracts of the Papers Printed in the Philosophical Transactions of the Royal Society of London [later Proceedings of the Royal Society of London], Volume 1, 1832. February 1813