During the past two or three years, several articles have appeared in the literature presenting one method or another of blood transfusion. In the presentation of such methods, naturally enough, claims of merit were made to justify the method used by the particular writer. To one who may be inexperienced with blood transfusion, or who may not be familiar with the subject, such claims may be accepted without question. For this reason I deemed it timely to place on record the latest results obtained in transfusion of unmodified blood by the syringe cannula system. I trust future publications on methods of transfusion will refer to this article in making comparisons of methods. The method as devised by me,1with only slight modifications, is as follows: The entire apparatus consists of six syringes, two tourniquets, and two sets of cannulas. CANNULAS Two sets of cannulas are employed, one for the