140 VERMINOUS DISEASES. 



exhalations from unhealthy grounds, unfavourable 

 seasons of the year, deficient and unsound diet, &c. 

 It is also true that during the continuance of fe- 

 vers and some other diseases, worms may be un- 

 pleasantly affected, and even expelled from the 

 body. These effects may happen either from the 

 influence of the disease on these animals, from a 

 failure of their usual nourishment, oV from the 

 operation of remedies used to restore the sick. Un- 

 der these circumstances worms may, and do, ren- 

 der any prevalent disease more complicate and se- 

 vere, but that they alone ever produce an epidem- 

 ic disorder, is a doctrine which it would be equal- 

 ly unphilosophical and unsafe for a physician to 

 admit. A. T.] . 



THE COMMON AND GENERAL SYMPTOMS OF WORMS. 



§1 LXXVI. The signs of the presence of worms 

 in different parts of the body are certainly very ob- 

 scure and equivocal. L 



Aaiong the symptoms common to them, there 

 are some which may arise from a cause very differ- 

 ent from a verminous affection. 



In the year 1797? a man came to the clinical 

 hospital of Pavia, who was several times examined 

 and always exhibited the symptoms peculiar to tae- 

 nia ; they produced the effect however of flatulent 

 colic, which disappeared after the use of a stimu- 

 lant regimen. Similar examples are reported by 

 To(lef[)l) and confirmed by daily practice. It also 

 happens, not unfrequently,'' that the sick evacuate 



