280 MENTAL LIFE OF APES AND MONKEYS 
Wautace, A. R. The Malay Archipelago, 3d. ed., London, ’72. 
Watson, J. B. Imitation in Monkeys. Psych. Bull. 5, 169, ’08. 
Some Experiments Bearing upon Color Vision in Monkeys. 
Jour. Comp. Neur. Psych., 19, 1, ’09. 
Witmer, L. A Monkey with a Mind. Psych, Clinic, 3, 179, ’09. 
Intelligent Imitation and Curiosity in a Monkey, 1. c. 3, 225, ’10. 
