Industrial reserve army, [31]
— schools, [238]
Ineducability, [30]
Infant-feeding, natural, artificial, and by wet-nurses, [125-140]
Infanticide, [95], [96], [142], [256], [257]
Infantile atrophy. See [Atrophy]
Infant life protection, [125-140]
— — attainable minimum of, [18]