idiot, epileptic, 18 years old. A mute, understanding very imper- 
fectly what is said to him. Unclean in habits and incapable of self- 
help. Choreic movements of face. Cannot be induced to take meat 
or milk. During attacks of mania, which occur irregularly, is brutal 
and cruel ; will beat himself, bite and strike other children, always 
discriminating and attacking the smaller and weaker ones. During 
lucid intervals, is gentle and tractable. Will amuse himself by the 
hour, throwing bits of chip and straw high in the air and jumping 
for them. As attacks increase in frequency and violence, he becomes 
more dangerous. 

Second child, born at full term ; labor normal ; fed artificially ; 
father 31 and mother 26 at time of child's birth. Mother much 
troubled during pregnancy by illness of father. Spasms occurred