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Turkey's gizzard, 1807. From The Royal Society, PT/73/1/1
Observations on the Structure of the Stomachs of D...
Solvent glands of birds
Vertebrae and ribs of a boa constrictor
Cardiac cavities and gizzards of birds
External view of the anatomy of hearing in Balaena...
A view of the Ass's stomach inverted
Stomachs of the turtle, blue shark, viper and frog...
Deer. Second cavity of the stomach
Orkney seal skull