II4 BACTERIOLOGY 



12. Sarc. fusca Gruber 



Arbeiten bak. Inst. Techn. Hochschule, Karlsruhe, I, 1895. 



The morphology and cultural characters like Sarc. pulmonum. 



Bouillon. Turbid, with granular sediment. Much acid produced in milk and 



glucose bouillon cultures. H 2 S produced. 

 Habitat. From stomach contents. 



13. Sarc. rosea Schroter 



Sarc. rosea Menge : Centralblatt f. Bakteriologie, VI, 596. 



According to Lehmann and Neumann, identical with M. roseus Bumm, 

 No. 81. 



14. Sarc. erythromyxa (Overbeck) 



M. erythromyxa Overbeck : Nov. Act. d. Leop. Carol., LV, 1891. 

 Krai : Verzeichniss der abzugebende Bak. 



Morphology. Usually only as cocci, diplococci, or tetrads ; only once a Sarcina 



form in hay infusion. 

 Gelatin colonies. Moist, grayish, becoming carmine-red. Microscopically, 



not granular, border transparent, erose. 



Agar slant and potato. Growth glistening, limited, intense red. 

 Milk. A red surface growth, not coagulated. 

 Bouillon. Turbid, with a granular sediment. 

 Glucose bouillon. Acid. 



PLANOCOCCUS (Migula) 



Engler and Prantl : Die Natiirlichen Pflanzenfamilien, 1895. 



Cocci spherical, occur singly, in twos, tetrads, or irregular groups. Division in 

 two directions of space. Cells freely motile. Flagella usually one, I 

 attached to each cell. 



A. Chromogenic ; pigment yellow. 



1. Plaiiococcus citreus (Menge) Migula. 



B. Chromogenic ; pigment pink rose-colored. 



2. Planococcus agilis (Ali-Cohen). 



C. Non-chromqgenic. 



3. Planococcus tetragenus (Mendoza). 



