THE CLASSIFICATION OF BACTERIA 151 



Milk. Coagulated in 24 hours ; whey clear; highly acid, odorless. Neither 



indol nor phenol produced. Pathogenic for guinea pigs and rabbits. 

 Habitat. Isolated from the duodenal contents of chickens in " asthenia." 



76. Bact. endometriditis (Kruse) 



Typhus ahnlichen Bacillus Germano-Maurea : Ziegler's Beitrage, XII, 1893, 494. 

 B. endometriditis Kruse : Flugge, Die Mikroorganismen, 1896, 432. 



Morphology. Bacilli medium-sized, of variable length, with a capsule. 



Gelatin colonies. Coli-like. 



Potato. Growth yellowish. 



Lactose bouillon. Gas production. No gas in saccharose bouillon. 



Pathogenesis . Doubtful. 



Habitat. Isolated from a liver abscess. 



BACT. RHINOSCHLERMATIS GROUP 



77. Bact. lacticum (Kruse) 



Described by Giinther-Thierfelder : Archiv f. Hygiene, XXV, 1895, 2. 

 B. lacticus Kruse : Flugge, Die Mikroorganismen, 1896, 356. 



Morphology. Bacilli 0.5-0.6: i.o ft; in twos and short chains. 



Gelatin colonies. Small, prominent. 



Potato. Growth scanty. 



Glucose bouillon. No gas r acid. 



Lactose bouillon. As before. 



Milk. Coagulated, odor aromatic ; production of alcohol and fatty acids. 



Habitat. Milk. 



78. Bact. crassum (Kreibohm) 



B. crassus-sputigenus Kreibohm : Flugge, Die Mikroorganismen, 1886. 

 Klebsiella crassa Trevisan : Genera, 1889, 25. 



Morphology. Bacilli short, thick ; in body with a capsule. 



Gelatin colonies. Aerogenes-like, grayish white, large, granular. 



Gelatin stab. A nail-shaped growth, with a round head. 



Potato. Growth moist, grayish white. 



Milk. As above (Dyar, I.e.). 



Pathogenesis. Subcutaneous inoculations of mice cause death in 2 days of 



septicaemia. Rabbits succumb to intravenous injections. 

 Habitat. Isolated from sputum. 



