SUMMARY, PART ONE TOPOLOGICAL SPACE Chapter I. PERCEPTUAL SPACE, REPRESENTATIONAL SPACE, AND THE HAPTIC PERCEPTION OF SHAPE 1. PERCEPTUAL OR SENSORI-MOTOR SPACE 2. THE RECOGNITION OF SHAPES ('HAPTIC PERCEPTION') Chapter II. THE TREATMENT OF ELEMENTARY SPATIAL RELATIONSHIPS IN DRAWING—' PICTORIAL SPACE' 1. SPACE IN SPONTANEOUS DRAWINGS 42. THE DRAWING OF GEOMETRICAL FIGURES Chapter III. LINEAR AND CIRCULAR ORDER Chapter IV. THE STUDY OF KNOTS AND THE RELATIONSHIP OF 'SURROUNDING' Chapter V. THE IDEA OF POINTS AND THE IDEA OF CONTINUITY PART TWO PROJECTIVE SPACE Chapter VI. PROJECTIVE LINES AND PERSPECTIVE 1. CONSTRUCTION OF THE PROJECTIVE STRAIGHT LINE 2. PERSPECTIVE Chapter VII. THE PROJECTION OF SHADOWS Chapter VIII. THE CO-ORDINATION OF PERSPECTIVES Chapter IX. GEOMETRICAL SECTIONS Chapter X. THE ROTATION AND DEVELOPMENT OF SURFACES PART THREE TRANSITION FROM PROJECTIVE TO EUCLIDEAN SPACE Chapter XI AFFINITIVE TRANSFORMATIONS OF THE RHOMBUS AND THE CONSERVATION OF PARALLELS Chapter XII. SIMILARITIES AND PROPORTIONS 1. SIMILAR TRIANGLES 2 . THE SIMILARITY OF RECTANGLES Chapter XIII. SYSTEMS OF REFERENCE AND HORIZONTAL-VERTICAL CO-ORDINATES Chapter XIV. DIAGRAMMATIC LAYOUTS AND THE PLAN OF A MODEL VILLAGE Chapter XV. GENERAL CONCLUSIONS. THE' INTUITION' OF SPACE