16 LIST OF ILLUSTRATIONS 



FIG. PAGE 



137. Outfit for Intraspinal Injection of Antimeningitis Serum by Gravity 



(Sophian) 698 



138. Method of Intraspinal Injection by Gravity 699 



139. Method of Intraspinal Injection by Means of a Syringe 701 



140. Blood of Rat Infected with Sp. recurrentis (dark ground illumination) 791 



141. Same After Administration of Salvarsan (dark ground illumination) 792 



142. Method of Intravenous Injection of Salvarsan 800 



143. Method of Intravenous Injection of Neosalvarsan 801 



