AMERICAN 
JOURNAL OF SCIENCE AND ARTS. 
i 
[SECOND SERIES.} 
Arr. XX1.—Resulis of Magnetical Observations made at Eastport, 
Maine, between bee and 1864, for the United States Coast Sur- 
vey ; communicate A. D. BacuE, Supdt., under author- 
ity from the Treasury Department. 
THESE observations were made in connexion with the general 
i system of magnetical determinations on the coast, and with the 
Seis object of ascertaining the law of ane secular change in 
he easternmost coast region ‘of the Unite 
