188 TREATiMENT OF 



of this remedvj which detaches and expels them 

 from the stomach/i)) Purgatives act in the same 

 manner, by increasing the peristaltic motion of the 

 intestinal tube ; worms are by this means often se- 

 parated from the intestines and evacuated vi^ith the 

 feces. It may soon be seen however that both 

 these remedies must debilitate the system, and con- 

 sequently predispose it to verminous affections. 



§ C V. Worms are common and familiar in those 

 constitutions, in which the lymphatic system pre- 

 dominates. (5) We further know that sheep are 

 subject to tiie social vesicular worms, when they 

 feed on wet low pastures, especially during autumn 

 and in rainy years. All the debilitating causes 

 which arc favourable to the development of the 

 seeds of worms, examined with care, will persuade 

 the philosophical observer, that the multiplication 

 of worms can be easily prevented by means of a 

 tonic and nourishing regimen, such as we shall 

 point out in speaking of the prophylactic method. 

 No one can be said to be completely cured of worms, 

 if after their expulsion, the predisposition to ver- 

 minous complaints be not also removed. 



§. C3VI. Guided by these principles, we may 

 with ease and certainty perceive the trae indica- 

 tion by which the physician should regulate bis 

 plan of treatment in curing the disease occasioned 

 by worms, whether local or sympathetic,(7) slight 

 or severe. 



'J his mode of proceeding is more or less con- 

 stantly crowned with success, and contributes to 



