Studio of Sir Francis Legatt Chantry RA, (1781-1841) a plaster bust of Mary Somerville, signed and dated 1840 77cm high Footnote: Cf. Nicholas Penny, Catalogue of European Sculpture in the Ashmolean Museum, 1540 to the Present Day, Vol 111: British, 1992, no. 761, ill. p.245 for another example.