THE CLASSIFICATION OF BACTERIA 293 



Pathogenesis. Somewhat variable; pathogenic to mice, guinea pigs, and 



rabbits. Subcutaneous inoculations cause a bloody oedema with gas ; 



bacilli present. Sometimes after death the bacilli invade the blood and 



organs. 

 Habitat. Associated with malignant oedema; found in earth, dirty water, 



dust, etc. 



240. B. pseudoedematis Kmse 



Pseudo-cedema Bacillus Liborius : Zeitsch, f. Hygiene, I, 1886, 115. 

 Anaerobic No. VII Sanfelice: Zeitsch. f. Hygiene, XIV, 1893, 339. 

 B. pseudo-cedematis Kruse : Flugge, Die Mikroorganismen, 1896. 



Morphology. Bacilli somewhat thicker than the preceding ; often many spores 

 in a filament. Cultures like the preceding. Doubtfully or negatively 

 pathogente. 



Habitat. Associated with oedema from earth infection, probably a non- 

 virulent variety of the preceding. 



241. B. radiatus Liideritz 



Zeitsch. f. Hygiene, V, 1889, 149. 



Morphology. Bacilli 0.8 : 4-7 /i, — filaments. 

 Gelatin colonies. Radiate — mycelioid. 

 Gelatin stab. Show filamentous outgrowths. 

 Agar stab. Shows delicate branching, and gas. 

 Pathogenesis. Non-pathogenic to mice. 

 Habitat. Soil. 



242. B. thalasophilus Russell 



Zeitsch. f. Hygiene, XI, 1891, 190. 



Morphology. Bacilli slender, of variable length — filaments. 



Gelatin stab. Liquefaction saccate ; bad-smelling gas. 



Gelatin colonies. A thin network of filaments which penetrate the gelatin in 



all directions. 

 Agar stab. Scanty growth. 

 Habitat. Isolated from sea water. 



243. B. caris 



Ancurohic No. VI Sanfelice : Zeitsch. f. Hygiene, XIV, 1893, 339. 



Morphology. Bacilli variable in length. 



Gelatin colonies. Branched. 



Gelatin stab. A slight turbidity spreading downward ; no gas, but a bad odor. 



