Plate 3 figures 1-4 from the paper "An account of some minute British shells, either not duly observed, or totally unnoticed by Authors. In a letter to Sir Joseph Banks...", by John Lightfoot, Philosophical Transactions of the Royal Society, vol.76 (1786), pp.160-170. Six figures of a freshwater shell discovered "adhering to the leaves of Iris pseudacorus in waters near Beaconsfield in Buckinghamshire." Figures 1-4 show the shell at life size and in different orientations. Figure 5 shows the shell magnified Figure 6 shows the Patella lacustris. John Lightfoot stated in his paper [p.168] that specimens were found "by Mr Agnew, Gardener to the late Duchess Dowager of Portland; by whose sagacity all the preceding shells were discovered, and by whose faithful pencil they were drawn".Original: watercolour on paper. 1785
