Instances have been reported where the disease seems to have depended upon the use of impure water, etc.
Besides the ordinary causes of dysentery, Feyrer[22] states that it is caused by irritation of the solar plexus of nerves, also by the inhalation of sewer emanations and by the ingestion of impure water.
Illustration: Growth of bacteria in a drop of impure water allowed to run down a sterilized culture in a dish.
Dysentery of one kind appears to be caused by the presence of an amoeba-like animal in the digestive tract which comes usually through an impure water supply.
They swarm in stale milk, in impure water, in soil, in the living bodies of plants and animals and in their dead bodies as well.
They are so small that several million are often found in a single drop of impure water or sour milk.
I have reared the larvæ in impure water and in moist horse-dung, up to the size of 1/30 of an inch.
In the matter of sanitation it is quite evident, from the foregoing data, that the danger of infection cannot arise from the drinking of impure water, as ordinarily understood.
The subject of impure water will be further considered in speaking of habitations.
The germs in impure water, as already noted (page 165), are destroyed by boiling.
Typhoid fever, a most dangerous disease, is usually contracted through either impure food or impure water (Chapter XXIII).
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "impure water" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.
