CHAPTER XIV 
BACILLUS TYPHOSUS 
I. Historical 
Bacillus typhosus was first thoroughly studied by 
Eberth in 1880. Gaffky first isolated them in pure cul¬ 
ture in 1884. 
Fig. 28.—Bacillus typhosus. Film preparation of a pure culture, x 1500. 
(Hewlett —Manual of Bacteriology.) 
II. Morphology 
The morphology of bacillus typhosus resembles that of 
the colon bacillus and other members of the group very 
closely, with the exception that it is more slender. Is 
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