12 



SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 8l 



scale, the zero of the galvanometer was always kept exactly at the 

 middle of the scale. 



Ten subjects were chosen. 3 adults and 7 children. Each subject 

 wore ordinary clothing. No attempt was made to minimize metabol- 

 ism, either bv rest or diet before the measurements. The subject stood 

 or sat, exposing to the melikeron in succession some to different places 



LEFT 



BACK 

 7.— Sketch showing l)ody position numbers. 



on the body, usually 3 places on the exposed skin, i on the hair, 

 I on the shoes, and 5 on the clothed parts. Figure 7, adapted from 

 a similar figure kindly furnished by Dr. Benedict, gives a series of 

 numbers corresponding to definite places measured. A single meli- 

 keron measurement required from 5 to 10 minutes, for the instrument 

 is sluggish and requires careful adjustment of the compensating 

 current. Immediately following each melikeron measurement the 

 skin temperature was determined with the thermoelement device upon 



