98 



GIBBS. 



Table II. — Comparative temperatures of skin of arms of Filipino and 

 American exposed to the sun* 



Gil. Filipino. 

 M. American 

 E. American 

 Ros. Filipino 



34.78 34.93 34.30 34.95 34.60 34.60 35.62 

 35.35 33.60 34.40 34.90 35.20 35.15 35.77 



Arm in sun after running exercise. 



Same as above except perspiring very freely. 



35.91 



b34.88 

 35.9 

 34.9 



35.2 

 35.3 



" The measurements were commenced at 10.30 in the morning. May 4, 1911, and were made 

 alternately, first Filipino then American, at intervals of a few seconds. 



* Some unwarranted fluctuations were found, due to gentle breezes which could not entirely 

 be prevented and also to perspiration. 



Table III. — Comparisons of the skin temperatures of 2 Igorots and 1 

 American in sun and shade. May 17, 1911. 



Sixbject. 



Time. 



Over 

 level of 

 third 

 dorsal 

 verte- 

 bra. 



Over 

 level of 

 fifth 

 dorsal 

 verte- 

 bra. 



Sca- 

 pula 

 upper 

 right 

 angle. 



Remarks. 



Alipit Igorot. In shade 

 at 9.30; in the sun there- 

 after. 



- 9.30 

 9.34 

 9.49 

 < 9.59 

 10.06 

 10.10 

 .10.14 



32.1 



33.8 



34.50 



37.4 



37.5 



38.05 



37.7 



32.7 



33.65 



34.05 



36.8 



37.35 



38.35 



37.55 



32.4 



33.8 



34.65 



36.5 



36.9 



37.9 



38.1 



At 9.55 slight visible perspiration. 

 Light breeze. 

 No wind. 

 Slight breeze. 



Magamba Igorot." In 

 shade at 9.38; in the 

 sun thereafter. 



' 9.38 



9.40 



< 9.54 



10.04 



aO. 13 



33.7 

 32.8 

 36.8 

 36.7 

 37.4 



33.48 



34.3 



34.8 



37.0 



37.9 



33.4 



33.5 

 36.3 

 36.5 

 36.8 



Some breeze. 



American. In shade at 

 9.45; and in the sun 

 thereafter. 



' 9.45 

 9.48 

 9.51 

 9.58 

 - 10.00 

 10.05 

 10.08 

 10.12 

 .10. 15 



29.8 



32.8 



33.45 



36.65 



36.8 



36.7 



36.3 



37.3 



37.65 



30.3 



31.9 



33.3 



36.85 



36.3 



36.3 



35.7 



36.8 



37.15 



30.1 



33. 45 



33.95 



37.05 



35.7 



35.2 



36.45 



36.8 



37.35 



Breeze. 



Breeze. 



Very little wind. 



Very little wind. 



Breeze. 



Wind stronger. 



Almost no breeze. 



Very slight breeze. 



Note. — All 3 subjects were showing visible perspiration at 10.15 a. to.. 



* Temperature of skin of thigh which was constantly exposed to sun, 62°. 7. 



These 3 subjects were first measured in the shade and then 

 placed in the sun, side by side, with their backs exposed to the 

 rays of the sun. The 2 Igorots had very dark brown skins, were 

 accustomed to much outdoor work, and possessed athletic figures. 

 The American's skin was remarkably white. He was accustomed 

 to much outdoor exercise and was quite athletic, had been in the 

 Tropics two years, had stood the climate well, and seldom showed 



