EXERCISE 93. STREPTOTHRIX GROUP. 



263 



Streptothrix bovis (HARZ) CHESTER. 



SYNONYMS. Actinomyces bovis HARZ; Streptothrix actino- 

 myces Rossi-DoRiA; Oospora bovis SAUV. et RADAIS; ray fungus; 

 actinomyces. 



EXPLANATORY. First described by Bellinger. It occurs in 

 actinomycosis or lumpy- jaw in cattle, hogs, horses and man. It 

 probably leads a saprophytic life on plants, etc. 



REFERENCES. A. 361 ; C. 361 ; H. 349 ; K. & W. II, 861 ; L. & N. 

 440 ; M. & R. 287 ; McF. 371. 



MORPHOLOGICAL CHARACTERS : 



SKETCHES. 



1. FORM AND ARRANGEMENT: 



a. Bouillon 



b. Agar 



c. Gelatin 



d. Other media 



2. SIZE: 



3. STAINING POWERS : 



a. Aqueous gentian- violet.. 



b. Loeffler's methylen-blue. 



c. Gram's stain 



d. Special stains 



4. MOTILITY:.. 



a. Character of movement.. 

 6. Flagella stain 



5. SPORES : 



<5. SPECIAL CHARACTERS: 



a. Capsules 



&. Involution forms 



c. Deposits or vacuoles 



d. Pleomorphism , 



