X CONTENTS. 



CHAPTER VII. 



PAGE 



The Germicidal Peoteids of the Blood . . 152 



CHAPTER VIII. 



Methods of Extracting Ptomaines. Basic Impurities in 

 Reagents. Tlie Stas-Otto Method, Drage!idorff's Method, 

 Brieger's Method, The Methods of Gautier and Etard. 

 Remarks upon the Methods 157 



CHAPTER IX. 

 Methods of Isolating the Bacterial Protbids . . 171 



CHAPTER X. 



The Importance of Ptomaines to the Toxicologist. 

 Coniine-like Substances, Nicotine, Strychnine, Mor- 

 phine, Atropine, Digitaline, Veratrine, Delphinine, Col- 

 chicine. Effect of Ptomaines on Alkaloidal Reactions . 174 



CHAPTER XI. 



Chemistry of the Ptomaines: Primary Amines, Dia- 

 mines, etc., the Choline Group, other Oxygen-containing 

 Bases, Undetermined Ptomaines. Tables . . .187 



CHAPTER XII. 



Chemistry of the Leucomaines: Uric Acid Group, 



Creatinine Group, Undetermined Leucomaines. Tables 280 



CHAPTER XIII. 

 The Autogenous Diseases . . . 352 



CHAPTER XIV. 



Bibliography: Ptomaines, Leucomaines, Bacterial Pro- 



teids. Miscellaneous qqa 



