222 



BACTERIOLOGY. 



mometer placed in the rectum is to be recorded. 1 By 

 the comparison of these daily observations with one 



1 The thermometer must be inserted into the rectum beyond the grasp of 

 the sphincter, otherwise pressure upon its bulb by contraction of this muscle 

 may force up the mercurial column to a point higher than that resulting 

 from the actual body temperature. 



