ON WORMS. 455 



iheep too have fo little fenfibility in the " inner ' 

 margin of the nofe," as to fuffer the fly cejtrus, 

 a moft irritating infeft, to depofit its eggs there, 

 and the larvae of them afterwards, to " creep 

 up into the frontal and maxillary finufes." Thev 

 muR have a plaguy intricate journey, methinks, 

 and pofTefs much fagacity, confidering their 

 tender age. Well— thus far I am fatisfied ! I 

 only defire to know the pedigree of thofe flies, 

 from the eggs of which proceed the maggots 

 that are found in putrid fores ; of the cancerous 

 breaft, for example, without meaning the h^da- 

 tides ; or the worms fometimes found in the 

 warbles, or fmall tumours, on the backs of horfes 

 and cattle, in the winter feafon, and whilfl kept 

 in the liable. 



The remote caL\fe of worms, is a colluvies of 

 indigefted matter, which for want of timely 

 evacuants, putrefies ; or a natural predifpofuion 

 in the animal fluids to putrefaBion. I have 

 known many people to whom it is as natural 

 conftanily to produce worms, as hair, and who 

 are yet always taking w^orm medicines. The 

 defecl is generally inherited by their children. 



In the Cure, mercurials alone are to be de- 

 pended upon, and as in proper hands, they are 

 perfe6tly fafe,. even for human infants, it is 

 truly unprofitable trouble to ufe any other 

 means. There is a notion among horfemen, 

 that common aloes, from the draftic roughnefs 



of 



