PLATE 7 



Typical Views of Magnetic Ex 

 1 . Walpole Island, Pacific < lc 



PEDITIONS l\ ISLANDS (IF THE ATLANTIC IVN PACIFIC OCEANS. 



l'. < luam [sland, Pacific ( Icean. 



3. Edwards Point, South Georgia Island, Atlantic Ocean. 

 1. Teneriffe Island, Atlantic Ocean. 5. Makambo [sland, Pacific Ocean. 



