15;2 VERMINOUS DISEASES. 



monly passes from the large(56) to the small intes- 



tines.(57) 



§. LXXXIX. In mucous diseases which are 

 manifestly asthenic, arising from a defect of nutri- 

 ment, and which I think might properly be called, 

 general consumption, when symptoms of worms are 

 subjoined, — they are most frequently produced by 

 the tricocephali and lumbricoides which live to- 

 getlier. 



SYMPTOMS OF THE ASCARIS VERMICULARIS. 



§ XC. Commonly this worm resides in parts 

 abounding with mucosity,(58) such as the large in- 

 testines, the vagina, etc. ; they generally inhabit 

 the lower portion of the rectum. (59) By contract- 

 ing and extending themselves they excite in the 

 large intestines, particularly in the rectum, a dull 

 feeling of irritation, or a tedious and unsupporta- 

 ble itching, and sometimes very acute and cutting 

 pains. (60) It is probable this worm insinuates its 

 mouth into the folds of the intestines, and thus re- 

 sists the peristaltic motion of these organs. 



They are united into conglobate masses with 

 other worms of the same family ; the inner surface 

 of the intestines is entirely altered by the irritation 

 produced by thousands of these worms, and the 

 want of mucus, which their eating this fluid oc- 

 casions, renders these parts more sensible and 

 irritable. 



^ XCI. In children and weak persons, the mu- 

 cous substance is ordinarily more abundant tlian in 



