1) This polysaccharides extracted from the bone marrow as stated in part I can induce the increase of erythrocytes which continue for a few hours after its injection, in the rabbit which has undergone a disturbance in the liver owing to C Cl(4), and which has been extirpated its spleen before 48 hours and 30 days. 2) If this substance be injected in a rabbit who suffers from reticulo-endotherial system due to indian ink, these would be detected no trace of increase of erythrocytes. Further, by circulation test of bone marrow with thiasin, due to our departmental invention, found that this injection could improve the blood circlatin within bone marrow. 3) With rabbits suffering from venesation anemia, phenylhydrazin anemia and collargol anemia, the injection of this substance has certain effect in urging recovery from anemia.