The Voyage of H M.S "Challenger" 



Magnelical Results, Plate 1. 



N?- I 



Bermuda Islands Western Portion. 



UprllTiafion I The Figures m this plan are observed, differ ermes from, the iiormaL. 

 \ The. dotted luxe shows assumed, position, of mjcu/rieizc focus. 



The blajclc curves dervote equal vcduu&s of aUsturba/Lce in the. D ecHn-a.tion. .. 



N?- 2. 



Inclmat-iou J The Figures iru thje. plcut, are observed differences fronv the norma t. 

 Vextical Force. ( The dotted. Tirue shows assicmed posxiioTV of rnxxgixitkLc. fociLS 



The hlajJc curves denote equal values vf disturbance in the IrLclinatLon. 



Seal* ofNautuz Miles. 



Malby*Sons,LitlL 



