AGASSIZ: FIJI ISLANDS AND CORAL REEFS. 159 



PLATE 22a. 



Sections across. 



Fig. 1. Naiau, from west to east (Plate 20). 



Fig. 2. Kambara, from west to east (Plate 22). 



Fig. 3. Mango, from west to east (Plate 19). 



Fig. 4. Fulanga, from southwest to northeast (Plate 22). 



Fig. 5. Fulanga, from west to east (Plate 22). 



I'ig. 6. Ongea, from west to east (Plate 22). 



Fig. 7. Ongea, from south to nortii (Plate 22). 



Fig. 8. Yangasa, from northwest to southeast (Plate 22). 



Fig. 9. Yangasa, from south to nortli to passage into Lagoon (Plate 22). 



Fig. 10. Oneata, from south to north (Plate 21). 



Fig. 11. Oneata, from west to east (Plate 21). 



Fig. 12. Oneata, from south to north to passage into Lagoon (Plate 21). 



Fig. 13. Aiwa, from southwest to northeast (Plate 21). 



Fig. 14. Aiwa, from south to north to passage into Lagoon (Plate 21). 



Fig. 15. Aiwa, from west to east (Plate 21). 



Fig. 16. Adolphus Reef, from west to east to passage into Lagoon (Plate 18). 



Fig. 17. Adolphus Reef, from southeast to n-orthwest (Plate 18). 



Fig. 18. Nuku Mbasanga and Nuku Mbalate, from west to east (Plate 18). 



PLATE 22". 



Diagrammatic sections showing liypothetical changes due to erosion and sub- 

 marine denudation of some typical islands of Fiji. The dotted lines indicate 

 the assumed outlines of the ancient islands. 



Nairai. 



Makongai. 



Wakaya. 



Mbengha. 



Great Astrolabe Reef. 



Tuvana i ra. 



Fulanga may have been elevated either at the rim or have been a 

 dome-shaped mass. 



Ngele Levu. 



Ongea. 



Vatu Leile. 



Oneata. 



Vanua Mbalavu. 



PLATE 23. 

 The e.xtinct Crater Totoya. From Admiralty Chart No. 1248. 



PLATE 23«. 



Fig. 1. Ono i lau. From Admiralty Chart No. 742. 

 Fig. 2. Tuvana i ra. From Admiralty Chart No. 742. 

 Fig. .3. Vuata Ono. From Admimlty Chart No. 742. 



