"Various classes of taboo in the wider sense may be distinguished: 1. natural or direct, the result of 'mana' (mysterious power) inherent in a person or thing; 2. communicated or indirect, equally the result of 'mana' but (a) acquired or (b) imposed by a priest, chief or other person; 3. intermediate, where both factors are present, as in the appropriation of a wife to her husband.
