CHAPTER IX. 



MOUSE -SEPTICEMIA. 

 Bacillus Murisepticus (Koch 1 ). 



In 1878, during his investigations upon the infectious 

 traumatic diseases, Koch observed that when a minute 

 amount of putrid blood or of meat-infusion was injected 

 into mice the animals died of a septicemia caused by the 

 multiplication in their blood of a minute bacillus to 

 which he gave the name "Bacillus der Mausesepticamie" 

 (Fig. 122). 



Fig. 122. — Bacillus of mouse-septicemia, from the blood of a mouse; x 1000 

 (Frankel and Pfeiffer). 



In 1885 the bacillus was again brought into promi- 

 nence by L,6ffler and Schiitz, who found a very similar, 



1 Wundinfektionskrankheiten, 1S78. 

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