xiv LIST OF ILLUSTRATIONS. 



FIG. PAGE 



29. CULTIVATION OF FINKLER'S COMMA-BACILLI IN NUTRI- 

 TIVE GELATINE (10 PER CENT.) AFTER FOUR DAYS' 

 INCUBATION 88 



30. COVER-GLASS SPECIMEN OF MUCUS-FLAKES FROM A 



MONKEY SUFFERING FROM DIARRHCEA ...... 91 



31. COVER-GLASS SPECIMEN OF CONTENTS OF CAECUM FROM 



A NORMAL GUINEA-PIG 93 



32. COVER-GLASS SPECIMEN FROM A CULTIVATION IN 10 PER 



CENT. NUTRITIVE GELATINE OF THE NON-LIQUEFYING 

 VARIETY OF COMMA- BACILLI FROM A CASE OF NOMA 

 IN A CHILD 97 



33. PLATE-CULTIVATION OF THE SAME NON-LIQUEFYING 



COMMA-BACILLI OF NOMA AS IN FIG. 32 99 



34, 35. SAME NON-LIQUEFYING COMMA-BACILLI GROWING IN 

 10 PER CENT. NUTRITIVE GELATINE ; SEVERAL 

 WEEKS OLD 102 



36. CULTIVATION IN 10 PER CENT. NUTRITIVE GELATINE OF 



MlCROCOCCUS ISOLATED FROM THE BLOOD OF THE 

 FINGER OF A PERSON AFFECTED WITH SCARLATINA . 106 



37. CULTIVATION IN GELATINE (10 PER CENT.) OF SAME 



MlCROCOCCUS AFTER THREE WEEKS, SHOWING A 

 LARGE FUNNEL-SHAPED OPENING ON SURFACE WITH 

 AN OCCLUDING AlR-BUBBLE . IO6 



