Calx carbonata Size:L: 100 x 50cm and in 1862 the site

and in 1862 the site was sold to the South Eastern Railway and Charing Cross Station was built on it

East entrance to the cell in the south-west tower of the Tower of London

The upper and lower views of the animal appear above a general study of the creature apparently walking on land

View of a man

Calx carbonata Size:L: 100 x 50cm and in 1862 the siteThree specimens of calcium carbonate crystals, here termed 'crystallized carbonate of lime', including (lower figure) 'a rare fragment of a fine yellow'. Showing the optical properties of each of the minerals. Plate 2 from British mineralogy: or coloured figures intended to elucidate the mineralogy of Great Britain, by James Sowerby, volume 1 (London, R. Taylor & Co., 1804). The accompanying text states that the mineral is 'Found chiefly in lime stone