The defiant, polluted and oppressive city is condemned for failing to regard the warnings.
The water supply, deemed ample when the prison was planned, became polluted under the congested conditions.
The recognition of the dangers accompanying the drinking of polluted water or milk, or of those attached to the breathing of a germ-polluted atmosphere, has been the natural sequence of an improved knowledge of pathology in its bacteriological relationships.
The extermination of noxious animals, and the exposure of corpses to the dogs and birds, that earth may not be polluted by their presence.
Even yet medical science has not determined the effect upon the human system of water highly charged with bacteria which are not known to be individually pathogenic. In the case of the bacilli of typhoid and cholera, we know the direct effect; but apart altogether from the presence of such specific poisons, polluted water is undoubtedly injurious.