The 36 cases which I am about to present have been selected from 350 cases of diseases of children, which came under my supervision in the Jackson Park Sanitarium during the summer of 1905.
Those cases, the clinical aspect of which showed more or less severe type of anemia, are the ones selected for the special work to which I wish to call your attention. The work was taken up with the hope of obtaining findings pointing to the relation of the condition of the blood, the enlargement of the glands and spleen and the bacterial and metabolic intoxications.
The most important data obtained in each case are incorporated in the table. The cases have been arranged with regard to the red blood count, the highest to the lowest, that being the most logical order on which to make comparisons.
In every case of examination of the blood, including a