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SPECIAL BACTERIOLOGY 



DIFFERENTIAL DIAGNOSIS TABLE. 



THE BACILLUS OF BUBONIC PLAGUE. 



The organism causing this disease was discovered by Kitasato and 

 Yersin in the outbreak of bubonic plague at Hong-Kong, China, 

 1894. 



Microscopical Appearances. Short oval bacilli with rounded 

 ends, usually occurring singly, sometimes in pairs and threes, and very 

 rarely in chains ; very often enclosed in a capsule. 



Motility . Non-motile . 



