1. This abstract of the author's monograph on the subject has been prepared atthe request of the Editor of this journal.
2. Hygiea, vol. lxxx., p. 369 (No. 7), Stockholm, April, 1918.
3. For a comprehensive view of the theoretical sides of these phenomena, and thehistorical development of their interpretation, reference should be made to Fohrœus' complete work—“The Suspension Stability of the Blood,” Acta Medica Scandinavica (Stockholm), vol. lv.—where the entire problem is fully considered.
4. A more detailed presentment is to be found in Acta Medica Scandinavica, vol. liv.(Fasc. III.), p. 247.