Preface Acknowledgements Notes on Contributors PART I: COMPLEXITY IN ANIMAL MINDS Introduction: M.McGonigle-Chalmers Relational and Absolute Discrimination Learning by Squirrel Monkeys: Establishing a Common Ground with Human Cognition; B.T.Jones Serial List Retention by Non-Human Primates: Complexity and Cognitive Continuity; F.R.Treichler The Use of Spatial Structure in Working Memory: A Comparative Standpoint; C.De Lillo The Emergence of Linear...