A Stereotaxic Atlas of the 
SQUIRREL MONKEY’S BRAIN 
John A. Gergen, M.D., and Paul D. MacLean, M.D. 
Laboratory of Neurophysiology 
National Institute of Mental Health 
U.S. DEPARTMENT OF HEALTH, EDUCATION, AND WELFARE 
Public Health Service 
National Institutes of Health 
Bethesda, Maryland 
