49 



THE OEGANISM IS A BACILLUS. 

 THE GELATINE IS NOT LIQUEFIED. 

 THE ORGANISM IS CHEOMOGENIC. 

 THE COLONIES ABE YELLOW. 



Bacillus fluorescens non-liquefaciens, from water; slender, short 

 rods ; non-motile ; forms a greenish-yeUow growth ; will not 

 grow in the incubating oven. 



Bacillus aurantiacus, from water ; slender rods in pairs or threads ; 

 feebly motile ; forms an orange pigment. 



Bacillus brunneus (Adametz), from water ; small, slender, irregular 

 rods, forming gray colonies, which become brown. 



Bacillus subflavus, from Chemnitz water ; bacilli 1 to 3 ;« long, with 

 rounded ends. 



Bacillus constrictus (Zimmerman), from water ; motile baciUi, 1 to 

 6 ju in length, constricted at intervals, so as to form segments, in 

 stained preparations each segment is separated- by an un- 

 stained interval. 



Bacillus aureus, from water, and from the skin in oases of eczema ; 

 slender bacilli, 1 to 4 /t long, lying parallel or in pairs or fila- 

 ments ; a motile bacillus ; forms pale yellow colonies of very 

 slow growth. 



Bacillus fluorescens aureus from Chemnitz water; motile bacilli, 



1 /* long, with long terminal flagella. 



Bacillus flavescens (Pohl), from swamp-water ; a motile bacillus, 



2 to 3 fi long and 0'8 /i broad. 



Bacillus spiniferus (Unna), from the skin in cases of eczema sebor- 

 rhoeioum ; curved baoiUi, 2 /i long, 0'8 /t broad ; forms grayish 

 yellow spiny colonies, with thin dentate margin. 



Bacillus fuscus, from water ; curved baciUi, varying in length, with 

 irregular outline ; forms a dark yeUow pigment. 



Bacillus of purpura heemorrhagica (Tizzoni, Babes and Kolb), from 

 the blood and various organs in cases of Purpura hsemorrhagica; 



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