EXEECISB 78. DIPLOCOCCUS GROUP. 157 



Micrococcus gonorrhoeae (Baum) Fltjegge. 



Synonyms. Gonococcus ; Diplococcus gonorrhoeae Baum. 



Explanatory. First described in 1879 by Neisser. It is con- 

 stantly found in gonorrhoea! discharges and may produce disease 

 on any mucous membrane ; urethra, bladder, rectum, conjunctiva 

 (causing ophthalmia neonatorum), and even cause arthritis (gonor- 

 rhoeal rheumatism), endocarditis, salpingitis and general septicemia. 



References. Neisser, Cent, f . d. Mediz. Wissensch., 1879, 497 ; 

 Foulerton, Trans. Brit. Inst, of Prev. Med., 1897, 1, 40 ; A. 288 ; 

 C. 72 ; H. 179 ; K. & W. Ill, 148 ; L. & N. 164 ; Mig. 2, 188 ; M. & R. 

 189 ; McF. 275 ; P. 522. 



Culture Characters. 



Morphological characters : 



Sketches. 



1. Poem and arrangement: 

 u. Bouillon 



h. Agar.. 



c. Gelatin. 



d. Other media. . 



Size: 



Staining poweks : 



u. Aqueous gentian-violet. . 



5. Loeffler's methylen-Wue. 



c. Gram's stain 



d. Special stains 



Motility : 



tt. Character of movement. . . 



6. Plagella stain 



5. Spores: 



Special characters;.... 



a. Capsules 



6. Involution forms 



c!. Deposits or vacuoles.. 

 d. Pleomorphism •■ 



