ON CHANGES OF LEVEL IN THE PACIFIC OCEAN. 135 



FEET. 



Hervey and Rurutu Groups, . . . Atiu, 12? 



« «• « «■ Mauke, somewhat elevated. 



Mitiaro, 



" « " " Mangaia, 300 



" « " " Rurutu, 150 



" »• " " Remaining Islands, 0? 



North of the Tahitian, Washington Island, 2 or 3 



« " " " Christmas, 2 ? 



" " " " Maiden, ? 



" " « " Jarvis, 6 or 8 ? 



Tongan Group, Eua, 300 ? 



Tongatabu, 60 



" " Namuka and the Hapai, 25 



Vavau, 100 



Savage Island, 100 



Samoan Islands, 



North of Samoa, Swain's, 3 to 6 



" " Fakaafo, or Bowditch, 3 



" " Oatafu, or Duke of York's, 2 or 3 



" " " Enderby's, 2 ? 



" Gardner, Hull, Sidney, Newmarket, 0? 



Feejee Islands, Viti Levu and Vanua Levu, Ovalau, . 5 or 6 



Eastern Islands, ? 



North of Feejees, Home, Wallis, Ellice, Depeyster, ? 



Sandwich Islands, Kauai, 1 or 2 



Oahu, 25 or 30 



" M Molokai, 300 



Maui, . . 12— 



Tarawan Islands, Taputeouea. 1 or 2 



" " Nanouki, Kuria, Maiana and Tarawa, . . 2 or more. 



" " Apamama, 5 



" " Apia or Charlotte, 6 or 7 



" " Maraki, 2 or 3 



Makin, 



Carolines, none ascertained. 



Ladrones, Guam, 600 



Rota, 600 



Feis, 90 



Pelews, ? 



New Hebrides, New Caledonia, Salomon Islands, none ascertained. 



Several deductions are at once obvious: — 



1. That the elevations have taken place in all parts of the ocean. 



2. That they have in some instances affected single islands, 

 and not those adjoining. 



3. That the amount is often very unequal in adjacent islands. 



4. That in a few instances the change has been experienced 

 by a whole group or chain of islands. The Tarawan Group is 

 an instance, and the rise appears to increase from the southern- 

 most island to Apia, and then to diminish again to the other ex- 

 tremity. 



The Feejees may be an example of a rise at the west side of a 

 group, and possibly a subsidence on the east ; while. a little far- 

 ther east, the Tonga Islands constitute another extended area of 

 elevation. We observe that while the Samoan Islands afford no 



