The Tom-raho, a subgroup of the Ishir (Chamacoco) of Paraguay, are one of the few remaining indigenous populations who have managed to keep both their language and spiritual beliefs intact. They have lived for many years in a remote region of the Gran Chaco, having limited contact with European or Latin American cultures. The survival of the Tom-raho has been tenuous at best; at the time of this writing there were only eighty-seven surviving members...