ii CONTENTS 



CHAPTER PAGE 



XVII. PHAGOCYTOSIS 275 



XVIII. OPSONINS, LEUCOCYTE EXTRACT, AND AGGRESSINS 281 



XIX. ANAPHYLAXIS OR HYPERSUSCEPTIBILITY" 295 



XX. FACTS AND PROBLEMS OP IMMUNITY IN THEIR BEARING UPON 



THE TREATMENT OP INFECTIOUS DISEASES 305 



SECTION III 



PATHOGENIC MICROORGANISMS 



CHAPTER PAGE 



XXI. THE STAPHYLOCOCCI (Micrococci) 321 



XXII. THE STREPTOCOCCI 335 " 



XXIII. DIPLOCOCCUS PNEUMONIA 352 - 



XXIV. MICROCOCCUS INTRACELLULARIS MENiNGiTiois (M eningococcus) . 37t 

 XXV. DIPLOCOCCUS GONORRHCE.E (Gonococcus) , MICROCOCCUS CA- 



TARRHALIS, AND OTHER GRAM-NEGATIVE COCCI 380 



XXVI. BACILLI OF THE COLON-TYPHOID-DYSENTERY GROUP BACILLUS 



COLI COMMUNIS, . 388 



XXVII. BACILLI OP THE COLON-TYPHOID-DYSENTERY GROUP (continued) 



BACILLUS OF TYPHOID FEVER 399 



XXVIII. BACILLI OF THE COLON-TYPHOID-DYSENTERY GROUP (continued) 

 BACILLI INTERMEDIATE BETWEEN THE TYPHOID AND COLON 



ORGANISMS 428 



XXIX. BACILLI OF THE COLON-TYPHOID-DYSENTERY GROUP (continued) 



THE DYSENTERY BACILLI 435 -^ 



XXX. BACILLUS MUCOSUS CAPSULATUS 447 



XXXI. BACILLUS TETANI 456' 



XXXII. BACILLUS OF SYMPTOMATIC ANTHRAX, BACILLUS OF MALIGNANT 

 EDEMA, BACILLUS AKROGENES CAPSULATUS, BACILLUS BOTU- 

 LINUS 465 



XXXIII. THE TUBERCLE BACILLUS 47; i 



XXXIV. THE SMEGMA BACILLUS AND THE BACILLUS OF LEPROSY . . . 503 

 XXXV. BACILLUS DIPHTHERIA BACILLUS HOFFMANNI, AND BACILLUS 



XEROSIS 512 " 



XXXVI. BACILLUS MALLEI ' 528 



XXXVII. BACILLUS INFLUENZA AND CLOSELY RELATED BACTERIA . . . 536 - 



