LIST OF ILLt 3TRATIONS 15 



FIG. PAGE 



87. Precipitin Test. Preparation of Extract of Blood-stains Facing 304 



88. Uhlenhuth's Filter 305 



89. A Rack for Precipitin and Agglutination Reactions 306 



90. Titration of a Precipitin (Serum) 307 



91. A Precipitin Reaction. Biologic Blood Test 309 



92. Theoretic Formation of Cytolysins 318 



93. Theoretic Structure of a Polyceptor 321 



94. Scheme showing Mechanism of Complement Fixation 333 



95. Theoretic Structure of a Bacteriolytic Amboceptor 340 



96. Method of Removing Exudate from the Peritoneal Cavity of a Guinea-pig . . 346 



97. Culture of Cholera Undergoing Bacteriolysis. A Positive Pfeiffer Reaction 347 



98. Stained Preparation of Cholera Undergoing Bacteriolysis Facing 347 



99. Culture of Cholera Before Bacteriolysis 347 



100. Stained Preparation of Cholera Before Bacteriolysis Facing 347 



101. Bactericidal Test (Looped Pipet Method of Wright) Facing 357 



102. Theoretic Structure of a Hemolytic Amboceptor 364 



103. Titration of Hemolytic Amboceptor Facing 377 



104. Venom Hemolysis Facing 387 



105. A Vial to Contain Blood for the Wassermann Reaction 409 



106. Outfit for Collecting Blood for the Wassermann Reaction 410 



107. Titration of Hemolytic Complement Facing 413 



108. Titration of Antigen for Anticomplementary Unit Facing 430 



109. Titration of Antigen for Antigenic Unit Facing 430 



110. Wassermann Reaction (First Method) Facing 438 



111. Reading the Wassermann Reaction Facing 440 



112. Wassermann Reaction (Second Method) Facing 444 



113. Wassermann Reaction (Third Method) Facing 445 



114. Wassermann Reaction (Fourth Method) . .Facing 449 



115. Titration of Anti-humaji Hemolytic Amboceptor Facing 454 



116. Noguchi Modification of the Wassermann Reaction Facing 454 



117. Anticomplementary Titration of a Gonococcus Antigen Facing 479 



118. Gonococcus Complement-fixation Reaction Facing 481 



119. Urticarial Rash of Serum Sickness Facing 574 



120. Multiform Rash of Serum Sickness Facing 574 



121. Local Serum Anaphylactic Reactions Facing 576 



122. Method of Performing the Cutaneous Tuberculin Test (von Pirquet) 597 



123. A Positive Cutaneous Tuberculin Reaction (von Pirquet) Facing 598 



124. A Positive Conjunctival Tuberculin Reaction (Wolff-Eisner-Calmette) 



Facing 598 



125. A Positive Percutaneous Tuberculin Reaction (Moro) Facing 599 



126. A Positive Luetin Reaction Facing 604 



127. Production of Cow-pox Vaccine 628 



128. Method of Vaccination Against Smallpox 631 



129. Vaccinia (7-day lesion) Facing 632 



130. Vaccinia (9-day lesion) Facing 632 



131. Vaccinoid. A Vaccination Scar Facing 632 



132. Preparation of Rabies Vaccine 641 



133. Preparation of Tuberculin 665 



134. Method of Subcutaneous Injection 689 



135. Method of Intravenous Injection by Means of a Syringe 692 



136. Method of Intravenous Injection by Gravity 693 



