Professor of Nervous and Mental Diseases, Marion-Sims College of Medicine, St. Louis; Fellow of the Chicago Academy of Medicine; Corresponding Member of the Detroit Academy of Medicine; Associate Member of the American Medico-Psychological Association, etc.

PHILADELPHIA AND LONDON:

THE F. A. DAVIS CO., PUBLISHERS.

1893.

Entered according to Act of Congress, in the year 1892, by

THE F. A. DAVIS COMPANY,

In the Office of the Librarian of Congress, at Washington, D. C., U. S. A.

All rights reserved.

Philadelphia, Pa., U. S. A.: