486 



H. MOHN. METEOROLOGY. 



[nORW. POL. EXP. 



The lowest temperatures observed with minimum-thermometer (Tables 

 pp. 403-468) were (PI. III. 1 mm. = 1° C.) 



Tlie highest temperatures observed with maximum-thermometer (Tables 

 pp. 403-468) were (PI. Ill) 



