The Soil in Relation to Health

The authors of this little work have taken a broad view of their subject, which is one of the most interesting in the range of sanitary science. They give a clear and concise, if occasionally somewhat desultory, account of some of the varying conditions of soil, and their bearing upon health and disease. Geology and mineralogy are first dealt with in outline, and then the physical and chemical conditions of the surface soil, and the microbes found in it, including of course pathogenic and n...