Whelk shells in the Royal Society's Repository Finish:Float frame Map of the River Thames

Map of the River Thames from London Bridge to Woolwich

Vaults beneath Leathersellers' Hall

views of normal and parasitised female

looking through the lens of a camera during shooting of their new film Help

with a roadside caravan cafe in the background

Whelk shells in the Royal Society's Repository Finish:Float frame Map of the River ThamesStudies of five whelk ('wilk') shells: a 'Square Wilk' ('Buccina Rhomboidea'); a 'Long Square Wilk'; a 'Thick Lipp'd Wilk'; a 'Triangular Wilk'; and an 'Inverted Wilk Snail' ('Bucchicochlea'). Table 10 from the book Musaeum Regalis Societatis; or, A catalogue and description of the natural and artificial rarities belonging to the Royal Society, and preserved at Gresham Colledge, by Nehemiah Grew (second printing: London, 1686). The Royal Society's