The alter ego, or life index
Other religious and folkloric traditions view the life of the human individual as bound up with that of a plant or animal: if one is destroyed the other dies as well. In some traditions, this is confined to the familiar or guardian of a witch or shaman; in others, it is a relationship possible for anyone. An example of the latter relationship is nagualism, a phenomenon found among the aboriginals of Guatemala and Honduras in Central America. Nagualism is the belief that there exists a nagual—an object or, more often, an animal—that stands in a parallel relationship to a person. If the nagual suffers harm or death, the person suffers harm or death as well. According to one story, during the initial hostile encounters between the aboriginals and the Spaniards, the aboriginals’ naguals fought on their side against the invaders. When the nagual of the chief—which was in the form of a bird—was speared and killed by the Spanish general, the chief died at the same moment.
Nagualism relates the life of each individual to the life of an animal or other object. More rarely, there is a relation between an entire people and a particular plant or animal. In some societies, a ritual of identification is performed, usually at birth (e.g., planting a tree or burying the placenta at the roots of a tree). In others, individuals have a vision or undertake a vision quest to identify their alter ego.
Relationships of similarity
Relations of similarity between human beings and plants or animals usually depend upon the perception of an attribute or aggregate of attributes that they have in common. This process is apparent in colloquial expressions such as when someone is called a “cool cat,” a “clumsy ox,” a “greedy pig,” or “foxy.” A similar process appears to lie behind many of the so-called totemic names or theriophoric or phytophoric personal names (e.g., Swift Deer, Bold Eagle) and is concealed in a number of familiar Western names (e.g., Leo, “the lion”; Deborah, “the bee”; and Jonah, “the dove”). The reverse process, the giving of human names to plants or animals, also depends in a majority of instances on the discernment of character similarities. Care must be used, however, in the interpretation of proper names. Every plant or animal name does not necessarily reveal the perception of similarity. For example, the Seminole Indians combine a character name with a shape and animal name in an arbitrary fashion that appears to pay no attention to their meaning, resulting in unusual combinations such as that of a well-known Seminole medicine man whose name translates as “crazy, spherical puma.”
The same process is at work in the universal literary form of plant and animal fables. The fable depends for its point upon the association made by the reader or listener between himself and one of a limited number of characteristics possessed by each animal or plant. More complex forms, verging on allegories, such as the beast epic and the debates between various plants and animals as to which are superior, also exist. The popular Physiologus (“Naturalist”), a Greek work from the 2nd century ce, and the medieval bestiary traditions draw morals particularly from monstrous or wondrous animals and plants. Both the fable and the bestiary traditions contributed to the formation of the stereotyped bird, beast, and flower emblems that figure in heraldry and religious iconography.
The process of discovering similarities of personality between plants and animals, on the one hand, and human beings, on the other, also plays a significant role in certain archaic sciences. Physiognomy, which claims to find correspondences between bodily features and psychological characteristics, often makes use of such supposed similarities. The earliest Western systematic treatise, the Aristotelian Physiognomonica, maintains that people with facial characteristics resembling certain animals have the temperaments ascribed to those animals (e.g., persons who have noses with slight notches resemble the crow and are impudent just as the crow is). These views persist in popular figures of speech, such as “bulldog jaw.” The same structure underlies the use of plants and animals in archaic healing practices, alchemy, and astrological tables in which animals, plants, and minerals, as well as human personality traits, are associated with the birth signs of the zodiac or planets.