Contents 
Page 
Problem and Method 5 
Chapter I. The Geography and Population of County H 7 
Chapter II. The Results op the Survey 15 
1. The Baker Family: A Feeble-Minded Quarry Group 20 
2. The Lookout Ridge Population 23 
3. The Burns Family Group Showing an Inheritance of Hunting- 
ton’s Chorea 29 
4. The Jones-Smith-Brown-Williams Group 44 
5. The Ripple Creek Group 60 
6. The McHaley-Johnson Family 76 
7. Lily Bennett 91 
8. A Family of Institutional Cases 91 
Chapter III. Township Poor Relief in County H 99 
Chapter IV. The County H. Almshouse and its Population 105 
Chapter V. Criminality op the County H. Mental Defectives as 
Shown by the Jail and the Juvenile Court Records 115 
Chapter VI. Occupations of the County H. Mental Defectives 119 
Chapter VII. Housing and Home Conditions of County H. Defectives 121 
Chapter VIII. Mental Defectives in the Schools of County H. 138 
Conclusions 148 
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