Dr. Snyder has held for some ten years a unique position as professor of medical genetics at Ohio State University and is widely known as the author of one of the most readable books on the principles of genetics. This little book on the application of genetics to medicine is based on his lectures to his students at Columbus and on a series delivered in 1941 to the student body of the medical schools of Duke University, Wake Forest College and the University of North Carolina under the auspices of the Carnegie Corporation.
Experimental genetics has made great strides in the last quarter-century. The fundamental principles of heredity are well worked out and are constantly receiving important day to day application in the breeding and development of lower animals and plants. The application of these principles to human genetics has necessarily lagged, because of the impossibility of using experimental methods