BIOLOGY: E. HUNTINGTON 
129 
TABLE 2 
Optimum Temperature on the Basis of the Death Rate 
PLACE YEARS OPTIMUM TEMPERATURE 
Group I. Northern cities of the United States. 
Boston 1900-1911 66° 
Buffalo 1900-1914 61° 
Chicago 1900-1911 67° 
Cleveland (17 years) 64° 
New York 1900-1911 65° 
Philadelphia 1900-1914 67° 
Seattle 1900-1914 62° 
Average 64.6° 
Group II. Central cities of the United States. 
Baltimore.... 1900-1911 63° 
Cincinnati 1900-1911 69° 
Pittsburg 1900-1914 67° 
St. Louis 1900-1914 70° 
San Francisco 1900-1914 58° 
Washington 1900-1914 68° 
Average 65 . 8° 
Group III. Southern cities of the United States. 
Atlanta 1900-1911 64° 
Birmingham 1900-1914 
Los Angeles 1900-1911 68° 
Memphis 1900-1914 60° 
New Orleans* 1900-1911 81° 
Average 65 . 0° 
Group IV. Foreign countries. 
Belgium* 1861-1910 above 63° 
Finland* 1900-1912 above 61° 
Germany 1912 64° 
Japan 1899-1908 64° 
Stockholm 1906-1914 60° 
Average 62.7 
Grand average 64.5 
* Belgium and Finland are so cool in summer that no entire month has a mean tempera- 
ture as high as the optimum. New Orleans is peculiar because so large a part of the popu- 
lation moves away in summer. Hence these places are omitted in computing the averages. 
TABLE 3 
Optimum Temperature in Factories 
PIACE NUMBER OF PEOPLE OPTIMUM TEMPERATURE 
^ fConnecticut 300 men 59° 
(Connecticut 200 women 60° 
2. Pittsburg 8800 men and women 63° 
3. Tampa 1200 men 67° 
Average 63° 
