Painting, fossilised hippopotamus tusk and tooth found near Brentford, Middlesex by unknown artist Plate 10 containing three figures, identified by Trimmer as a hippopotamus tusk and fore-tooth (two views) in his published plate notes. The work is inscribed above with publication and plate details. Not signed. Royal Society stamp verso. Subject: Palaeontology Published in Philosophical Transactions as part of paper titled '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'. Read to the Royal Society on 4 March 1813. [1813]