SERIES B. ZONE G. LAT. 60° TO 65° N. 



105 



(Nos. 38 to 59.) 



Finland. — Continued. 



I Transcribed (except the three right hand columns) from Wesselowski, who quotes, etc., as at Aland Islands, 



^°" These observations, which were made at intervals of 20 minutes, or 72 times per day, were published only as 



reduced in the directions of the four cardinal points, and the ratios of the resultants, being here computed from 



these reduced values, are tlierefore probably somewhat too large. ,„ , , t ■ v^tvli!,! 1.1' 



3 Computed from the resultants at Cialiko, Tammela, Helsingfors, Sweaborg, and Hogland Lighthoube, by 



14 August, 1874:. 



