BLISTERING BEETLE. 



CHAPTER IX. 



OTHER INSECT PRODUCTIONS USEFUL TO MAN. 



ALMOST any article could be better spared from 

 the materia medica, than an insect remedy called 

 cantharides, or Spanish flies. This consists of the 

 bodies of small beetles, in which resides an active 

 blistering principle of great importance, not only 

 as an external application, but also sometimes as 

 an internal remedy. The insect chiefly used in 



