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PUBLIC HEALTH BACTERIOLOGY 



Table of Characteristics. 



Short Table of Carbohydrate Reactions. 



A signifies acid ; + acid and gas ; 



- nil. 



CAPSULATED BACILLI. 



In this group are classed bacilli which are non-motile, 

 and capsular ed in certain cultures, but otherwise resemble 

 the Bacillus coli. 



Bacillus Pneumoniae. Otherwise called pneumo- 

 bacillus, Friedlaender's bacillus. Was first described by 

 Friedlaender in 1882 as the cause of acute lobar pneumonia. 

 It was first called a micrococcus, and was confused with 

 Fraenkel's pneumococcus, but was later recognized as a 

 short bacillus. It is the cause of pneumonia in about 

 7 per cent of the cases. It is taken as the type of a group, 

 " the mucosus capsulatus " group, and is also called B. 

 mucosus capsulatus. 



