This series of popular lectures on psychiatric themes was prepared for physicians, educators and parents. They constitute good reading and appear under the following titles: "1. The Expression of the Emotions in Healthy and Diseased Persons." "2. Mental Epidemics of Past and Present." "3. Normal and Abnormal Development of the Child." "4. Alcoholism and Heredity." "5. The Causation and the Operative Treatment of Epilepsy." These lectures are written in popular style and can be safely put into the hands of any educated person.