ANTITOXINS. 203 



As regards the structure of the antitoxin (cast- Receptors of 



. % -i i ji t*e First 



off receptor), it is necessary to assume only the order. 

 presence of the proper haptophorous group. Ehr- 

 lich designates all receptors of this simple type as 

 "receptors of the first order." In following 

 sections we will have to do with receptors of the 

 second and third orders. 



Wassermann gives the following list of anti- 

 toxins : 



ANTITOXINS FOR BACTERIAL TOXINS. 



Diphtheria antitoxin. 



Tetanus antitoxin. 



Botulism antitoxin. 



Pyocyaneus antitoxin. 



Symptomatic anthrax antitoxin. 



Antileucocidin, an antitoxin for the leucocytic 



poison of the staphylococcus. 

 Antitoxins for the blood dissolving toxins of a 



number of bacteria. 

 / 



ANTITOXINS FOR ANIMAL TOXINS. 



Antivenin for snake poison. 

 Antitoxin for scorpion poison. 

 Antitoxin for spider poison. 

 Antitoxins for certain poisons of fish, eel serum, 

 salamander, turtle, and for wasp poison. 



ANTITOXINS FOR PLANT TOXINS. 



Antiricin, for a red blood corpuscle poison of 



the castor oil bean. 

 Antiabrin, for a similar poison of the jequirity 



bean. 



Antirobin, for robin, a locust tree poison. 

 Anticrotin, for crotin, a toxin from the bean of 



Croton tiglium, the croton oil bean. 



