126 MICRO-ORGANISMS AND DISEASE. [CHAP. 



sparingly, in fungoid and scrofulous inflammations ; Demme 1 

 and Doutrelepont 2 found the tubercle-bacilli also in the tissue 

 of lupus. But the bacilli occurring in the lupus-tissue, as 

 far as I am able to see, are morphologically different from the 

 tubercle-bacilli. In a preparation made of the juice of lupus- 



Fio. 87. FROM A SECTION THROUGH THE KIDNEY OF RABBIT DEAD OF 

 ARTIFICIAL TUBERCULOSIS. 



a. Blood-vessel filled with caseous matter, and in it numerous tubercle-bacilli. 



b. Nuclei of cells of the tuberculous new growth. 



c. Capillary vessel in cross section. 



Magnifying power 700. 



tissue, large transparent cells with several nuclei are found, 

 in the cell substance of which are noticed groups of thickish, 

 short bacilli, thicker and shorter than tubercle -bacilli. These 

 bacilli are either placed singly or in chains of two. 



The so-called Bacillus of Cholera. In the reports from India by Dr. Koch, as 

 the head of the German Commission sent to investigate the recent outbreak of 

 cholera in Egypt, we notice that, like the French Commission, they failed to 

 communicate the disease to animals ; that the German Commission failed to 

 discover any specific organism in the blood of patients suffering from cholera ; 

 that the intestines contained in their cavity and wall numerous peculiar 

 " comma-shaped" bacilli, which Koch considers to have a special relation to 



1 Berliner klin. Woch 15, 1883. 



2 Monatsheftef.practischeDermatologie, 6, 1883. 



