ANAPHYLAXIS ! 53 



have occurred. A number of fatal cases have been 

 reported in asthmatic individuals, and this may be 

 borne in mind when about to make serum injec- 

 tions. It is also of interest to know that Banzhaf 

 and Famulener have shown that chloral in large 

 doses will prevent the anaphylactic reaction in 

 sensitized guinea pigs. Such animals after the 

 second injection are immune to further injections. 



