Anatomy of the ear, John Cunningham Saunders, 1806

Anatomical illustration of the human ear. Fig 1) That part of the Labyrinth which forms the interior superficies of the Tympanum. Fig 2) Occipital side of the Os Temporis, to show Meatus Internus; Oblique semi-circular canal, and junction of its smaller extremity with that of the Vertical. Fig 3) Membranous Sac of the Vestibule and the Membranous semi-circular Canals (copied from Professor Scarpa). Fig 4) Dissection of the Cochlea in which the Scala Vestibuli is cut open through its whole extent. Fig 5) Dissection of the Cochlea, in which it rests upon its base, and one side of the Scala Vestibuli is opened. Fig 6) Oblique section of the Cochlea on the side of the Meatus Internus. Fig 7) Dissection in which the Spiral Lamina is left in connection with the Modiolus and the Vestibule, from which it derives its origin. Fig 8) Magnified view of Fig 7. Fig 9) Magnified view of a similar section to Fig 6 except that the third turn of the Spiral Tube is not opened.