Injurious to Man. 55 



occurred in the alimentary canal, it is probable tbat the arthropod 

 was already present in the receptacle into which tbe faeces (or in 

 some cases the matter vomited) were deposited. These myriopods 

 which occur in the alimentary canal are reported as causing colic 

 and other intestinal troubles, together with nervous and general 

 symptoms. 



