Ou Diurnal Variation of Barometric Pressure. 



The same tendency is suspected also in South America, though the 

 data availed of were too scanty. For Asian continental stations, 

 the data are still more wanting; Nertinsk and Tomsk give negative, 

 hut Irkutsk a positive J. While Japanese stations and also Peking 

 give positive J, the Chinese stations Hankow and Shanghai as well 

 as Hongkong and Tonkin show negative values. 



Again, it is interesting to ohserve that the positive anomaly 

 prevails in the Pacific Ocean, while the negative values seem to 

 he frequent in the Atlantic, though for the latter the data are 

 scanty: 



Tabli: III. 



From the ahove examples, we may realize that there remains 

 still some important local factors determining the amount of the 

 diurnal component, heside the "continuality'" a-^ artificially defined 



