Proflavine is a very powerful accelerator of saponin hemolysis of rabbit, human, and dog erythrocytes. Lysolecithin hemolysis, on the other hand, is inhibited. Dog erythrocytes in the presence of proflavine undergo marked changes in shape, finally becoming rods of about 13 micro in length. Rabbit and human erythrocytes are not altered in form under these conditions.

Considerations regarding the etiology of hemolytic jaundice are inextricably bound up with the presence of spherocytosis and the associated increase in hypotonic saline fragility, and the effect of splenectomy in the amelioration of this disorder. Although many different opinions are advanced regarding the etiology of the disease, the outstanding ones are those postulating a faulty bone marrow ...