IIORSE-BACK RIDING. 95 



been attacked with that malady have been cured by 

 continuing for a long time that exercise upon my 

 advice. I certainly know that any other remedy, 

 however precious it might be, and any other method 

 would have been perfectly useless to them. It is not 

 only in slight cases of consumption, accompanied 

 with frequent coughing and loss of flesh, that horse 

 exercise has proved useful, but also in confirmed con- 

 sumptions, accompanied by night sweats, and even 

 by that fatal diarrhoea which ordinarily is a sign of 

 the last stage of the disease, and the harbinger of 

 death." ('' Dissert. Epis. de Passione Hist., p. 476.") 



b. Bronchitis. — Beau divides all cases of bronchitis 

 into two classes : ist. That form in which subcrepitant 

 rales are heard — there is more or less fever, and sel- 

 dom severe dyspnoea ; whether the attacks be acute or 

 chronic, they are not repeated, and complete recovery 

 or death is the sequel. 2d. Where the rales are mu- 

 cous, fever is generally absent, the dyspnoea may be 

 very severe, and tuberculosis, as a complication, very 

 seldom exists. Loud rales may often be heard in the 

 trachea. It is seldom that it proves mortal. 



Horse-back riding, by increasing the amount of air 

 respired, and by the jarring motion communicated to 

 the respiratory organs, aids in the expulsion of the 

 mucus which obstructs the air tubes, and renders it 

 possible for air to reach the pulmonary vesicles. 



c. Asthma. — There are two theories as to the 

 cause of this trouble : ist. That it is due to bronchial 



