19 



THE ORGANISM IS A MIOEOCOCCUS. 



THE GELATINE IS NOT LIQUEFIED. 



THE COLONIES AB^ WHITE, GROWING SLOWLY, 

 AND NOT CONFLUENT. 



THE COCCI ARE ARRANGED AS DIPLOCOCCI. 



Diplococcus albicans tardissimus, from vaginal secretion ; it resembles 

 the gonococcus, but grows slowly on gelatine; the colonies have 

 a dentate margin. 



Micrococcus of trachoma (Sattler), from the trachomatous follicles 

 in oases of Egyptian ophthalmia ; a small diploooecus, growing 

 very slowly, the colonies having a yellowish tinge and a wavy 

 margin. , 



Diplococcus coryzae (Hajek), from nasal mucus in acute epidemic 

 , nasal catarrh i- diplococci resembling short bacilli with rounded 

 ends ; clear drop-like colonies. 



Micrococcus tetragenus mobilis ventriculi (Mendosa), from secre- 

 tion from the human stomach; cocci in tetrads, enclosed in 

 a gelatinous capsule, and supposed to be motile. 



Micrococcus of Manfredi, from sputum in croupous pneumonia 

 following measles ; oval cocci, 0'6 to 1 /t in diameter ; associated 

 in pairs, sometimes forming short chains ; colonies appear as 

 thin, transparent plates with a pearl-gray lustre ; stains weU by 

 Gram. 



