CORALS AND CORAL REEFS VAUGHAN. 



233 



general the living reefs are growing on antecedent platforms that 

 have been submerged in geologically Recent time. There are con- 

 tinuous platforms and discontinuous reefs in New Caledonia, the 

 Fiji Islands, and Tahiti, and such relations, which are certainly- 

 usual, if not entirely general, are not in accord with the Darwin- 

 Dana hypothesis. Information on the small islands of the Society 



tooo 



{000- 



vooo 



Se& /eve/ W, 



"A-A" °B-3* 



SABA ISLAND 



No.) 



Sea fevef Uo£, Sea level 



NORTH SIDE OF ST THOMAS 



o z 4 6 a 



< , i . i i — i — i — i — i— j 



Mdutica< 'miles 



NORTH SIDE OF ST, CROIX. 



Hautical miles- 



EAST COAST OF ANQUILLA 



/3Z>£ mi/es - 

 PEDRO BANK 



ftOSALINO BANK FUNAFUTI ATQ1J, 



Fig. 14. — Types of West Indian sublittoral profiles and profile of Funafuti 



ATOLL. 



group, Murea, Huaheine, Raiatea, Bora-Bora, etc., is inadequate for 

 a definite statement, and there is controversy as to whether the reefs 

 are groAving on previously formed flats or whether the flats are due 

 to infilling behind the reefs. 



West Indian Islands sublittoral profiles are interesting in this con- 

 nection, and are represented by text figure 14. There are no offshore 

 reefs where no platforms have been developed, as off the young vol- 



