GAUSS AND WEBER ON TERRESTRIAL MAGNETISM. 97 



perceptible) at all the other places of obsei-vations, because they 

 are too remote. It appears, therefore, at least for the present, 

 that there is no reason for admitting among the anomaUes other 

 than quantitative differences. Connected with this, it may be 

 veiy useful, in many cases, to have two or more stations situated 

 within a modei-ate distance of each other. 



It would have been desirable, for example, to have had obser- 

 vations during the September term of 1836, at Augsburg, where 

 the simvdtaneous observations are now regularly made. We 

 should, in that case, have been able to form a decided opinion 

 on the subject of the movement at 2'^ 10», everywhere sensible 

 indeed, but which, at Munich, appears to have been of re- 

 markable magnitude. 



Note. 



In the original work the observations made at the different sta- 

 tions in the several terms are printed in tables, and graphical 

 representations of them are contained in six Plates. Much care 

 has been taken to make the plates which are annexed to this 

 translation faithful copies of the originals. It has not been 

 thought necessary to repubhsh the tables. — Edit. 



VOL. II. I'ART v. 



