EXERCISE 77. MALTA FEVER GROUP. 

 Micrococcus melitensis Bruce. 



153 



Explanatory. This organism is the cause of Malta fever and 

 is found especially in the spleen of the diseased. 



References. Bruce, Practitioner, Sept. 1887 and Ann. de 

 rinst. Pasteur, 1893, 7, 289; Durham, Jour. Path, and Bact., 1898, 

 5, 377 ; H. 441 ; K. & W. Ill, 438 ; L. & N. 168 ; Mig. 2, 83 ; McF. 581 ; 

 M. & R. 452. 



Morphological characters: 



1. FOKM AND aeeangement: 

 a. Bouillon 



Sketches. 



6. Agar . 



li. Gelatin. 



d. Other media. . 



2. Size: 



3. Staining powers : 



u. Aqueous gentian- violet. . 

 6. Loefler's methylen-blue. 



v. Gram's stain 



d. Special stains 



4. Motility: 



u,. Character of movement.. 

 6. Plagella stain 



5. Spores: 



3. Special oharaotbks: — 



u,. Capsules 



6. Involution forms 



c. Deposits or vacuoles.. 



d. Pleomorphism 



