discission OF RESULTS. 



71 



axilla, and occasionally the temperature of the mouth. The two rectal ther- 

 mometers were inserted at a depth of 10 and G.5 centimeters respectively. 

 The axilla was preheated by means of a hot-water bottle at a temperature of 

 42 C, which caused the subject to perspire; during the experiment the bandage 

 holding the axilla thermometer loosened. In previous experiments it had 

 been noted that the rectal temperatures usually fell at the beginning of an 

 experiment, which would indicate that the temperature when the subject was 

 active before the experiment was higher than after he became quiet. For 

 this reason it was decided to take the mouth temperature at the very beginning 

 of the experiment. If the curves indicating the mouth and rectal temperatures 



37.6 C 



37.A 



37 2 



37.0 



36.8 



36.6 



1.30 PM 150 



2.10 



2.30 2.50 



310 



3 30 



3.50 



4.10 



4 30 4.50 



Fig. 38. Temperature curves for experiment of March 13, 1911, with F. A. R. 3.02 p. m. to about 3.50 

 p.m., muscular exercise; 3.50p. m., drinking cold water. 



are to be parallel, this first observation of the mouth temperature should be 

 very high, and this was found to be actually the case. At 3 h 02 m p.m., the 

 subject began to exercise by lifting a stool, and at 3 h 32 m p.m. he was still 

 exercising but not working very hard. At 3 h 50 m p. m., just after he had 

 stopped exercising, he drank a glass of cold water at a temperature of 10 C. 

 A subsequent fall in temperature of almost 0.2 C. was noted, which may have 

 been due in part to the influence of the cold water. The temperature curves 

 for this experiment were in general parallel, the curves for the temperatures 

 of the mouth and the rectum being more nearly parallel than usual. 



The curves showing the measurement of the body-temperature in the 

 different localities may be found in fig. 38. 



