The diseases of the ear and their treatment . tus, tympanum, and Eustachian tube, showing relation of parts, PAGE 9101113131415171818 1920 3, 32383838 404i 43 93 102 116 118 LIST OF ILLUSTRATIONS. Fig. page 28. \ Vertical section through temporal bone, showing variation of 29- sigmoid fossa, ...... 124 30. ) Horizontal section through temporal bone, showing similar 31- variation, ....... 125 32. Diagram representing positions assumed by the membranous portion of the Eustachian tube and by the soft palate, . . 127 33. Instrument for paracentesis, . . .138 34. Normal tympanic membrane, . . .144
The diseases of the ear and their treatment . tus, tympanum, and Eustachian tube, showing relation of parts, PAGE 9101113131415171818 1920 3, 32383838 404i 43 93 102 116 118 LIST OF ILLUSTRATIONS. Fig. page 28. \ Vertical section through temporal bone, showing variation of 29- sigmoid fossa, ...... 124 30. ) Horizontal section through temporal bone, showing similar 31- variation, ....... 125 32. Diagram representing positions assumed by the membranous portion of the Eustachian tube and by the soft palate, . . 127 33. Instrument for paracentesis, . . .138 34. Normal tympanic membrane, . . .144 35. Indrawn tympanic membrane, ..... 144 36. ) Sagittal sections through the temporal bones of children, three 37-! years of age, showing the antrum petrosum and cell-cavities, . 172 38. Hartmanns metal tympanic tube, . . .185 39. Schwartzes antrum tube, . . . .185 40. Polypus snare, ....... 193 41. Diagram of internal ear, ...... 207 42. Vertical section through one of the windings of the cochlea, . 208 DISEASES OF THE EAR. THE DISEASES OF THE EAR. HISTORICAL. The earliest mention of diseases of the ear, according toProfessor Brugsch, is to be found in an ancient papyrus scrollpreserved in the Egyptian collection of the Berlin believes that its date belongs to the reign of Ramses il, whoadopted the Jewish lawgiver, Moses, to the fourteenthcentury In this scroll, the contents being chiefly of amedical character, two complete prescriptions for ear diseasesare to be noticed, one of them a remedy for removing a heavi-ness in the ear, the other for curing eruptions at both observation is also notable that there are two tubes in theright ear, by which the breath of life enters, and two tubes inthe left ear, by which the atmosphere {sic) enters. Hippocrates (about 460 to 377 ) wrote extensively on thesubject of diseases of the organ of hearing. According to histheories of humoral pathology, he considered the mucus and gallas the principal factors irj
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