Shirt-term memory in the monkey / Leonard E. Jarrad and Samuel L. Moise -- Comparison of Amnesic states in monkey and man / L. Weiskrantz -- Some general characteristics of a method for teaching language to organisms that do not ordinarily acquire it / David Premack -- The habits and concepts of monkeys / David R. Meyer -- The effects of deprived and enriched rearing conditions on later learning: a review / John P. Gluck and Harry F. Harlow -- The effect of early adverse and enriched environments on the learning ability of rhesus monkeys / H.F. Harlow, M.K. Harlow, K.A. Schiltz, and D.J. Mohr -- Some differences between human and other primate brains / Norman Geschwind -- Similarities in the cognitive processes of monkeys and man / Lee W. Gregg --Species differences in 'transmitting' spatial location information / Raymond C. Miles.