Part 122

Inner tunic, 59.

Insanity, 152, 249.

Insomnia, 107.

Instinct for preservation of species, 201.

Intensity of sexual life, 26.

Intercourse, sexual, at early age, 27.

Intercourse, sexual, during menstruation, 140.

Intercourse, sexual, frequency of, 275.

Intercourse, sexual, lack of, 257.

Intercourse, sexual, need of, 281.

Intercourse, sexual, promiscuous, 301.

Intercourse, sexual, restraint in, 276, 301.

Intermenstrual pain, 164.

Intermenstrual period, 140.

Interval between periods, 132.

Intestinal meteorism, 46.

Investigations, anatomical, 446.

Investigations, experimental, 452.

Investigations, statistical, 422.

Iridochoroiditis, 108.

Irritable weakness, 336.

Irritation, senile, 613.

Islam, 129.

Itching sensation in genital organs, 46.

Jackson, 494.

Jacobi, 18.

Jaffé, 235.

Janovsky, 147.