According to the nature of the effects which this variety in blood deficiency (dysaemia) produces, we distinguish certain groups of degenerations in the body, for which names were established at a time when the unity of these forms of disease had not yet been recognized. Thus, where dysaemia produces only general debility, we call it anaemia, which may gradually become destructive and develop into "pernicious" anaemia. When it affects girls with all kinds of disturbances in menstruation, perverting their appetite and causing a greenish color of the skin, it is called "chlorosis." If the symptoms are the destruction of the lymphatic glands, so often noticed in children said to be hereditarily affected, we speak of "Scrofulosis." When erroneous composition of the blood, produced by poor living and unsanitary environment, causes destruction of the lungs or of certain bones or tissues, the name "tuberculosis" indicates that the decaying condition of the affected tissues results in producing numerous tubercle bacilli. In the many cases in which the destruction is even more widespread, attacking the skin, bones, brain and other tissues or organs, and where the decomposing poison, if not hereditary, has entered the blood by way of sexual intercourse, the ominous word "syphilis" indicates the resulting blood disease. When the weakened tissues, which are not sufficiently fed with the elements they need for their normal existence, cannot resist the developing power of the phosphates prevalent in the blood, the much dreaded malign "cancer growths" appear. The destructions wrought by dysaemia in these various forms, cannot be fully described in this brief abstract. They can all be reduced, arrested and forced to give place to healthy regeneration by the hygienic-dietetic healing system. In each case, however, the possibility of cure will depend entirely on the degree of decomposition which has been reached. If the trouble is from hereditary tendency it is obviously harder to fight, and a long regenerative treatment may be anticipated. If attacked at an early stage, complete restoration to health is possible in a comparatively short period. The most careful and thorough investigation by the physician must precede any treatment. It is his task to prescribe accordingly, with the development of the disease and its gradual disappearance. The simultaneous direct and indirect affection of various tissues, especially of the lymphatics, will necessitate more complicated application of the various nutritive compositions. THERAPY. _Diet: I. For the Anaemic._