May 19, 1916] 



SCIENCE 



717 



problems that I have made a number of ob- 

 servations to determine how closely its records 

 correspond with sensations of bodily comfort. 

 These observations are presented in Tables I., 

 II. and III. The first series was made indoors 

 and outdoors in the country at Ipswich, Mass., 

 during the month of August ; the second in my 

 laboratory at the American Museum of Nat- 

 ural History in New York (with and without 

 the air current from a desk fan) ; and the 



« Observations made during month of August, 

 1915, at Ipswich, Mass. 



* Average of vote of three to six observers, in- 

 cluding four women, ages 90, 65, 38 and 36 and 

 two men, ages 38 and 75. 



« Observations made in laboratory of Depart- 

 ment of Public Health, American Museum of Nat- 

 ural History, New York, September and October, 

 1915. 



« Average of vote of 3 to 6 observers, all males 

 from 16 to 38 years of age. 



7 First observation on each date made in labora- 

 tory with windows closed. Second (and third of 

 September 15) under same conditions but with a 

 15-inch colonial desk fan operating about 4 feet 

 from thermometers and directed toward them. 



8 Observations made in physiological laboratory, 

 Tale Medical School, through courtesy of Pro- 

 fessor Yandell Henderson. 



9 Average of vote of 10 to 20 medical students. 



10 22-inch exhaust fan in corner of ceiling. 



