Inadequate relief: legal separation, and the law, 128;
wife's attitude, 130;
illustrated, 131;
court orders, inconsistency of, 172-176;
recent legislation to correct, 177.
See also _Non-support_

Income: economic issues, 21, 22, 30;
wages and non-support, 32-33

Incompatibility: temperamental differences, 36;
sex relations, 37-39, 40

Industrial deficiency: in husband and wife, 25, 31;
national registration to correct, 166

Insanity: study of defectives, 20, 24

_Insanity, The Psychology of._ Bernard Hart, 20

Instability: forms of, mental and physical, 17-22;
factors that induce, 24-43, 47-49

"Intermittent husbands," 43, 153

Interviewing the man: importance of, 55-57, 105;
case story, 57-61

Italy: marriage registration in, 100