under my care when 9 years old. Choreic movements of face, pow- 
ers of attention, imitation, and memory, excellent. Could read and 
write, sing, distinguish color and form and care for herself in 
every way. Did well in school, but affected and silly at times. 
Mental limit reached at 15, when she became a pronounced n)Tnpho- 
maniac ; formed violent attachments for girls, and was fond of at- 
tracting the attention of boys. 

In her seventeenth year, her mother being persuaded that imbe- 
cility could be cured, craniectomy was performed. Exhibited as a 
phenomenon in the hospital, and tributes paid to the surgeon's won- 
derful skill, there was nevertheless not the slightest improvement in 
her condition. 

First-born, at full term ; instrumental delivery. Father a drunk- 
ard, was 42 and mother, forced to leave him in fifth month of her 
pregnancy, was 18 at time of M.'s birth. Paternal grandfather, a