'Parrot [gizzard]' Size:Standard: 6 x 4in wearing a long

wearing a long

' The first of six figures from the paper 'The arithmetic of the superdigit'

Diego (1599-1660)

some smoking pipes

'Parrot [gizzard]' Size:Standard: 6 x 4in wearing a longPlate 13, figures 1 2, from the paper 'On the different structures and situations of the solvent glands in the digestive organs of birds, according to the nature of their food and particular modes of life', by Everard Home, Philosophical Transactions of the Royal Society, vol. 102 (1812), pp. 394 404. The external and internal views of the crop, cardiac cavity and gizzard of the parrot. The work is inscribed above with publication and plate details