l84 • BACTERIOLOGY 



1 68. Bact. infecundum 



Bact.filiformis-Havaniensis Sternberg : Manual of Bacteriology, 1892, 650. 



-Morphology. Bacilli long, slender, 0.3 micron in diameter. 

 Gelatin stab. Slight growth in depth ; no growth on the surface. 

 Agar slant. Growth scanty, milky-white, branched. 

 Potato. No growth. 



Pathogenesis. Non-pathogenic to rabbits and guinea pigs. 

 Habitat. Isolated from liver of yellow fever cadaver. 



169. Bact. cadaveris Sternberg 



Manual of Bacteriology, 1892. 



.Morphology. Bacilli 1.2:1.5-4.0^1 — short filaments. Do not grow on 



gelatin. 

 Glycerin bouillon. Rendered acid ; no gas. 

 Pathogenesis. Guinea pigs, death with oedema by inoculation with a section 



of the liver containing the bacilli. 

 .Habitat. Isolated from cadavers. 



170. Bact. pyogenes (Kruse) 



Bact.pyogenes-anaerobium Kruse: Fliigge, Die Mikroorganismen, 1896, 244. 

 Morphology. Bacilli large. Do not grow below 22°. Cause a stinking sup- 

 puration in rabbits. 

 Habitat. Isolated from stinking pus from a rabbit which died spontaneously. 



■CLASS XII. WITH ENDOSPORES, AEROBIC AND FACULTATIVE 

 ANAEROBIC, RODS NOT SWOLLEN AT SPORULATION. DO NOT 

 GROW AT ROOM TEMPERATURES OR BELOW 22''-25°. 



I. Minimum temperature of growth 4o°-49°; optimum temperature 6o°-7o°. 



THERMOPHILIC BACTERIA 

 A. Spores placed at the ends of the rods, oval. 



1 . Growth on potato white to gray. 



171. Bact. thermophilum, I (Rabinowitsch). 



172. Bact. thermophilum, VII (Rabinowitsch). 



173. Bact. thermophilum, VI (Rabinowitsch). 



2. Growth on potato brownish. 



174. Bact. thermophilum, III (Rabinowitsch). 



175. Bact. thermophilum, V (Rabinowitsch). 



