Spiritual potentiae of man. Spirit and soul. Definitions. The Maori and abstract conceptions. Animism and animatism. Terms denoting spiritual and mental concepts. The wairua and its functions. The soul a protective agent. All entities possess an indwelling spirit. The soul comes from Supreme Being. The term toiora. Souls represented by moths. The awe or refined soul. The luku wairua rite. The soul affected by magic. Passing of soul to spirit-world. Ghosts. Angaanga. Ata. Aria. The kapu of a pou rahui. Ahua. Material representations of immaterial things. Immaterial representations of material objects. The miri aroha rite. Mawe. The mauri and mauri ora. Physical life-principle. Material mauri. Protective agents. The hau. Manea. Manawa and manawa ora. Hebrew terms. Tipua. Animatism. Mental concepts. Aro, hinengaro, ngakau, and puku. Other expressions. The ira atua or Divine element in man. Maori mentality. Results of introspective thought.