16 LIST OF ILLUSTRATIONS 



Fia. PAGE 



138. Method of Subcutaneous Injection 741 



139. Method of Intravenous Injection by Means of a Syringe 744 



140. Method of Intravenous Injection by Gravity 745 



141. Outfit for Intraspinal Injection of Antimeningitis Serum by Gravity 



(Sophian) 750 



142. Method of Intraspinal Injection by Gravity 751 



143. Method of Intraspinal Injection by Means of a Syringe 753 



144. Blood of Rat Infected with Sp. recurrentis (dark ground illumination). . . . 851 



145. Same After Administration of Salvarsan (dark ground illumination) 852 



146. Method of Intravenous Injection of Salvarsan 862 



147. Method of Intravenous Injection of Neosalvarsan 863 



