28 September 1973
Vol 181, Issue 4106

About The Cover

Tattooing of monkeys in the first yeat of lige and regular census observations at the caribbean primate Research Center allow long-term family and social relationships and normal social behavior to be studied in free-ranging individuals after specific brain biochemical lesions. Unlike some of the treated female returned immediately to her infant and social group and theereafter appeared entirely normal. See page 1256. [D.E. Redmond, National Institute of Mental Health]