This new book on technics for the laboratory diagnosis and control of the communicable diseases is the result of a seven year survey of the best laboratory methods now available for the recognition and control of the communicable diseases. The work was begun in 1933 by a special committee of the American Public Health Association on the preparation of reagents and the description of methods used in the public health laboratory. Those persons best qualified to describe the various procedures were selected as referees. The book marks the beginning of a development which shouldhave an important influence on medical and administrative practice in the field of communicable disease control.
There are fifty pages by Arthur Parker Hitchens on culture mediums, stains, reagents and solutions. This chapter includes a list of sixty-six references. There are nine pages by Edmund K. Kline on the toxicity of dyes for certain bacteria. The next