148 BACTERIOLOGY 



Agar slant. Growth thin, white, glistening, spreading elevated. 



Milk. Coagulated at 37, with gas, acid, and peptonization of the medium. 



Habitat. Milk, Mansfield-Conn. 



71. Bact. lactis (Kramer) 



Bacillus schleimiger Milch Loffler : Berliner klin. Wochensch., 1887, 631. 

 B. lactis-pituitosi Kramer : Die Bakteriologie Landwirthschaft, 1892, 24. 



Morphology. Bacilli rather thick, rods breaking into coccoid segments. 

 Gelatin colonies. Round, entire erose, 0.2-0.5 mm.; microscopically, 



brownish and radially striped. 

 Potato. Growth gray white, rather dry 

 Agar slant. Dirty white colonies. . 

 Milk. Acid, slimy. 

 Habitat. Milk. 



72. Bact. aromafaciens 



No. 41 Conn : I.e., 1894, 4 1 - 



Morphology. Bacilli 1.1 : 6.0 /x; in twos. 



Gelatin colonies. Punctiform, 1 mm. 



Gelatin stab. Slight growth in depth ; on the surface, growth moist, elevated, 



of the aerogenes type. 

 Agar slant. Growth white, glistening. 

 Potato. Growth elevated, white yellow. 

 Milk. Slightly acid, and slowly peptonized. 

 Bouillon. Turbid, with pellicle. 

 Habitat. Milk. 



CLASS III. GELATIN NOT LIQUEFIED. STAINED BY GRAM'S 



METHOD. 



I. Gas produced in glucose bouillon. Bact. acidi-lactici Group. 



A. Milk coagulated. 



73. Bact. acidi-lactici Zopf. 



74. Bact. acidiformans Sternberg. 



75. Bact. asthenia Dawson. 



B. Milk not coagulated. 



76. Bact. endometriditis (Kruse). 

 II. No gas produced in glucose bouillon. 



Bact. rhinosclermatis Group. 

 A. Milk coagulated. 



77. Bact. lacticum (Kruse). 



