46 THE CONTAGIOUS TYPHUS 



" Since there is observed to follow the 

 greatest flow of the contagious and putrid 

 particles separated from the blood, wherever 

 the infectious matter makes an impression at 

 first, particular care must be taken not to 

 inoculate near such vital parts as the heart 

 and lungs, nor near the womb, if a cow with 

 calf be inoculated; for, though rowels are 

 properly applied in the dewlaps to draw off 

 the pestilential humour from the breast, and 

 in other cases beasts are frequently rowelled 

 in the flanks, yet, in this operation, as matter 

 is inserted by these channels into the neigh- 

 bouring vessels, those vital parts, or the 

 womb, might become the chief seat of the 

 disease, and the event prove fatal. 



" To prevent such accidents, human beings 

 have been inoculated on the arms and legs, 

 and now-a-days the arms are found suffi- 

 cient. I would recommend that the cattle 

 should be inoculated about the middle of the 

 shoulders or buttocks, on both sides, to have 

 the benefit of two drains. The skin is to be 

 cut lengthways two inches, deep enough for 

 the blood to start, but not to bleed much. 

 In this incision is to be put a dossil or pledget 



