222 TREATMENT OF 



even more active remedies, if the first have beca 

 insufficient. 



It sometimes happens that the patient, ready to 

 expel the worm, after an abundant alvine evacua- 

 tion, experiences a strong sensation of lieat and anx- 

 iety at the praecordia, which ends in vomiting. In 

 this case we need not be uneasy, because this ac- 

 cident soon passes away ; the patient has only to 

 snuff up some radical vinegar (acetic acid), to be 

 almost instantly restored. 



METHOD OF ROSENSTEIN. 

 fCold water, and, mineral waters, j 



§. CXLI. We have elsewhere noticed, (141) that 

 taeniae, plunged into hot water, move with vivac- 

 ity, and plunged into cold water, that they are al- 

 most asphixied. Rosenstein, supported by this 

 observation, judged that these worms could be ea- 

 sily detached, by causing the patient to drink a 

 large quantity of cold water, after taking a purga- 

 tive, because the cold water depriving them of the 

 power of moving the neck and fixing the head into 

 the folds of the intestines, they would be thurst 

 from the body by the violence of tlie peristaltic 

 motion, increased by the action of the purga- 

 tive. (14S) He communicated his thoughts on this 

 subject to Dr. Darelius, who some weeks after, 

 sent him a taenia expelled in this way; this 

 worm was seventeen metres ninety nine centime- 



