Within the limits of the society there were four grades so distinct that if any one touched a member of an inferior grade he required to cleanse himself by bathing in water; members who had been found guilty of serious crimes were expelled from the society, and could not be received again till reduced to the very last extremity of want or sickness.
Bingham, however, maintains that the reference is not to the consecrated bread, but to salt, which was given to them as a symbol "that they might learn to purge and cleanse their souls from sin."
It is impossible to detect the first infection or to cleanse the seed; the only remedy is to procure seed from a smut-free source, and to prevent further spread of the disease by gathering all smutted heads before the spores have matured or dispersed.
Some attempt has been made to improve matters by macadamizing one of the principal thoroughfares, but it will be the labour of a Hercules to cleanse this vast city from the accumulated filth of ages of neglect.
It is he, therefore, who is called upon to cleanse the sick and suffering from disease, which, superinduced by the demons, was looked upon as a species of impurity affecting the body.