WORM.-. 75 



considerable size, the symptoms which they cause are often serious. They occasion 

 griping pains in the abdomen, with itcliing about the anus and nose. Occasionally 

 (li;in-lioea is produced by them, and they are certainly a tolerably frequent cause 

 of epileptic tits, of squinting, and of enlargement or inequality in the size of the 

 pupils of the eyes. They are said to have been the cause of St. Vitus's dance, but 

 tli is is very doubtful. It is certain, however, that in many cases they occasion 

 no symptoms at all, and the first indication of their presence is the finding them 

 in the evacuations from the bowels. Again, the various symptoms which are said 

 to be due to the presence of round worms very frequently exist without any evidence 

 whatever of the presence of worms. The treatment of round worms consists first 

 in the improvement of the general health by attention to diet and the administration 

 of tonics, and secondly in the giving a dose of santonin at bedtime, followed by a 

 1 1 risk purgative in the morning. 



