204 PA THOGENIC BACTERIA . 



toxin. A febrile reaction of more than 1.5 C. following 

 the injection is said to be specific of the disease. Babes 

 has asserted that the injection of this toxic product into 

 susceptible animals will protect them from the disease. 

 Various experiments have been made with curative 

 objects in view. Certain observers claim to have seen 

 good results follow the injection of mallein in repeated 

 small doses. Others, as Chenot and Picq, find the blood- 

 serum from immune animals like the ox to be curative 

 when injected into infected guinea-pigs. 



