AGASSIZ: FIJI ISLANDS AND CORAL REEFS. 161 
PLATE 33. 
The Island of Ovalau seen from the east. 
PLATE 34. 
Levuka (Ovalau) seen from outside the Barrier Reef. 
PLATE 35. 
Flats of Volcanic Mud to north of channel of Barrier Reef, looking southwest from 
Mbau. 
PLATE 36. 
Viwa Island, Mbau Waters, composed of stratified volcanic mud. North of channel 
of Barrier Reef. 
PLATE 37. 
Nasilai Barrier Reef seen from the east. Negro-heads of elevated limestone. 
Nasilai Light in distance. 
PLATE 38. 
Nukulau and Mokaluva Islands seen from the southwest. 
PLATE 339. 
On north shore of Nukulau Island, elevated limestone beach. 
PLATE 40. 
Nukulau Island Barrier Reef Flat from the southeast. Negro-heads, elevated 
limestone. 
PLATE 41 
Nukulau Island Barrier Reef Flat, extension to line of Breakers. 
PLATE 42. 
Fringing Reef Flat off Koro Levu, east coast of Viti Levu. Negro-heads, volcanic 
rocks. 
PLATE 48. 
Fringing Reef Flat south of Singatoka River. Elevated limestone outliers along 
the shore. 
PLATE 44. 
Sand Dunes north of Singatoka River, Fringing reef has disappeared. 
PLATE 45. 
South Point of Thuvu Harbor. Elevated limestone and fringing reef. 
VOL. XXXIII. 11 
