i6 ROARING IN HORSES. 



instance was localised in the lungs and 

 pleura, to its own substance. (Gunther, 

 Moller, Vaerst.) 



As to the therapeutic means used as cures 

 for chronic (definitive) roaring, they have 

 seldom been successful. The preparations 

 of arsenic, iodine and its compounds, mer- 

 curials, strychnine, given in pills, injected 

 intravenously or hypodermically, electricity 

 and the actual cautery, have been tried by 

 a great number of veterinarians, and often 

 several of these agents have been succes- 

 sively applied. Whatever has been done 

 has been practically of no avail. If in 

 some cases a transitory amelioration has 

 been effected, and the onward march of 

 the disease retarded, a cure has been the 

 very rare exception, and then only in cases 

 of very short standing. 



