TUNEVALL AND LINDNER 



log number of bacteria 

 per ml blood 



60 hours 



Figure 7. Results of blood cultures in mice at different times after the intravenous 

 injection of 4 • 10° Klebsiellae. The points represent logarithmic means. The numbers 

 of mice in the groups and the length of hypothermia preceding the injection are given 

 in the figure. 



4 hours. The level of the minimum colony count also varied with 

 the length of the preceding period of hypothermia. Thereafter an 

 increase of the bacterial counts occurred, ending in a state with 

 innumerable colonies also from the highest blood dilutions. This 

 took place after 72 hours in mice hypothermic 2 hours prior to 



250 



