332 



BACTERIA IN INFECTIOUS DISEASES. 



Fig. 16. 



* Cells from leprous tubercle containing the Bacillus lepree. Copied from plate illus- 

 trating Hanson's paper in Quart. J. Micr. Sci., Jan. 1880. 



are found in all parts of the section, either singly, or 

 more frequently in groups, fully corresponding to those 

 occurring in the cells. I furnish a drawing of two 

 groups taken with Zeiss's immersion system -^ and eye- 

 piece No. 4." (See Fig. 17.) 



One observer, Kober, claims' to have found the 

 bacillus of Hansen in the blood of leprous pa- 

 tients ; while Edlund ascribes the disease to a 

 micrococcus which he finds in the blood, as well 

 as in the leprous tubercles. Neisser, also, says 

 that micrococci are always present in the epider- 

 mis, although he confirms Hansen as to the pres- 



