THE CLASSIFICATION OF BACTERIA III 



Potato. Slight growth ; in 3-4 weeks, a limited brownish glistening streak. 



Pathogenesis. Negative. 



Habitat. Isolated from air passages ai man. 



2. Sarc. alba Zimmerman 



Bak. Trink u. Nutzwasser, 1890. 90. 

 Growth on different media, white — grayish white, generally very thin. 



3. Sarc. canescens Stubenrath 



Lehmann-Neumann, Bak. Diag., 1896, 143. 

 Imperfectly described. Form beautiful, regular packets. 



4. Sarc. flava De Bary 



Morphology. Packets not regular in form. 

 Potato. Growth chrome yellow, glistening. 

 Gelatin. Liquefied or unchanged. 

 Habitat. Isolated from stomach contents. 



5. Sarc. lactis 



No. 4^ Conn : I.e. 1S94. 



Morphology. Cocci 0.7 /*. Grow at 20°, and at 35" C. 



Gelatin colonies. A large sunken colony, with a nucleus and a granular 



border. 

 Gelatin stab. In depth, a slight growth ; on the surface, growth yellowish, 



dry. 

 Agar slant. Growth raised, slightly spreading, bright yellow. 

 Potato. Growth of a yellowish tinge. 

 Milk. Unchanged. 



Bouillon. Clear, with sediment and flakes on the sides of the tube. 

 Habitat. Milk. 



6. Sarc. subflava Ravenel 



Memoirs National Acad. Sci., VIII, 1896. 



Morphology. Packets square, and longer than broad, showing 4, 8, 16, 32, 

 and more elements on each face. 



