296 



Bulletin 178. 



Micrococcus No. 7. 



Morphology. — A micrococcus about l/-t in diameter. 



Staining. — Stained readily by the common anilin dyes used in 

 the laboratory. 



Agar. — Smooth, shiny, white growth upon agar slant cultures. 



Bouillon. — The liquid becomes uniformly clouded with the depo- 

 sition of a whitish sediment. 



Gelatin. — The growth is similar to that of No. 6, except that the 

 colonies of No. 7 are always white. 



Milk. — It is coagulated with an amphoteric reaction in three 



days. 



TABLE No. IX. 



The Sources from which Pure Cultures of Micrococcus No. 7 



WERE Obtained. 



TABLE No. X. 



Summary of Results of the Examination of GelatIn Plate 

 Cultures from Udder No. 11. 



