490 Dr. H. Arctowski on formal Anomalies of 



shows that curve "A" may bo discarded. On the con- 

 trary, curves "B" and "0" must both be taken into 

 consideration, 



Fig, 2. 



As a typical example I will cite the temperature curve for 

 Warsaw. 



The utilized daily means are those o£ the years 1826-1880*. 



* Jan Kowalczyk, Pam. Fizjogr., Warsaw, 1881 ,] 



