IV. Symbolism 88 Wide distribution of symbolic interpretation 88 Lack of stability of explanation 102 Lack of coherence in symbols 106 Design names 109 Studies in conventionalization 113 Geographical distribution of explanations of similar designs 118 Reading in of meanings 121 Development of geometrical form according to representative tendencies 124 Stability of patterns of action as against instability of interpretation 128 Change of type due to slovenly execution 130 Technical motives applying to representations 138 Effect of decorative field 141 Effect of symbolic methods of representation 143 V. Style 144 The problem of style 144 Motor habits and form 145 Concentration of forms 148 Transfer of forms in new materials 150 Technical determination of form 153 Individuality of style 153 The artist in his cultural setting 155 Control of style over invention 156 Formal elements of style 161 Dissemination of art forms and local developments 161 Diversity of style in the same tribe and community 180