Chrobak attacks the etiological problem of hysteria by referring its causation to movable kidneys! He observed 19 such patients in Vienna, 16 being in Oppolzer's clinic.[47] Three times no subjective symptoms accompanied the anomaly; eight times the trouble could be referred either to the dislocation of the kidneys or to disease of the same; and eight times the evidence of hysteria was unmistakable. Among the latter eight cases neither vaginal, uterine, nor ovarian conditions were recognized. He concludes that there is a direct nervous connection between the kidneys and the genital organs, and between both and hysteria. [Footnote 47: _Medizinische-Chirurgische Rundschan_, quoted by _Boston Medical and Surgical Journal_, 1870, lxxxiii. 430-432.] In brief, the truth is that frequent or severe local irritation in any part of the body in an individual of the hysterical diathesis may act as the exciting cause of an hysterical paroxysm or of special hysterical manifestations. Irritation or disease of the uterus or ovaries may result in hysteria, as may the bite of a dog, a tumor of the brain, a polypus in the nose, a phymosis, an irritated clitoris, a gastric ulcer, a stenosis of the larynx, a foreign body in the eye, a toe-nail ulcer, or a movable kidney. Whatever tends to exhaust the nervous system will also cause hysteria, but only in those who have some inherited predisposition to the disorder. C. Handfield Jones[48] mentions heatstroke and severe physical labor as such causes. One of the sequelæ of heatstroke enumerated by Sir R. Martin, and quoted by Jones, is a distressing hysterical state of the nervous system, with an absence of self-control in laughing and crying, the paroxysm being followed by great prostration of nervous power. [Footnote 48: _Op. cit._]