Cultures of the typhoid organism planted at a depth of 18 in.
The application of pure cultures of bacteria for improving the fertility of the land is still in an experimental stage.
The various tissues affected are examined microscopically and cultures made from them; in this way the structural changes and the relation of bacteria to them can be determined.
Long before history begins, however, the cultures of Eridu and Nippur had coalesced.
But in the admixture of the two cultures the influence of Eridu was predominant.
