NEUTRALISATION OF H^MOLYSlNS 19$ 



by virtue of which it was called hypnotoxin. In greater 

 doses death results under symptoms of asphyxia. The 

 experimenters hoped to produce an antitoxin in the usual 

 way by injecting increasing doses into the veins of the 

 animals. But they did not succeed, because " if an animal 

 receives in a first injection a parts of the poison and in a 

 second injection b parts, it is killed almost instantaneously 

 after the second injection ; whereas an animal in which the 

 dose a -f- b is injected at once does not show very grave 

 symptoms of intoxication, from which it soon recovers." 1 



1 Portier and Richet : Bulletin du musee oceanographique de Monaco^ 

 25 Dec., 1905, p. 10, No. 56, 



