98 ’ BULLETIN: MUSEUM OF COMPARATIVE ZOOLOGY. 
the projection of Na Potu on the south. The deepest part of the lagoon 
is in the eastern point. It is only nine fathoms, and north of Karoni 
not more than seven. Na Potu, as the eastern point of the lagoon is 
NORTHWEST POINT OF MOTHE. 
called, is studded with rocks and heads. Off the northwestern point of 
Mothe we could distinctly see that the negro-heads rising upon the plat- 
‘ form of the outer reef flats were of volcanic origin. Mothe resembles 
in shape Lakemba and Kanathea. 
Kambara. 
Plates 22, 22°, Fig. 2, and Plates 77-79. 
Kambara Island is elliptical, nearly five miles in length, witha great- 
est breadth of three (Plate 22). It is surrounded by a rim of ele- 
vated limestone enclosing a depressed basin. The rim has an average 
height of between 300 and 350 feet, with steep cliffs on the sea face 
(Plate 77). On the northwest face of the island, near the village of 
Tokalan, the elevated limestone ridge is broken through by a conical hill 
470 feet high, which is of volcanic origin, and the flanks of which underlie 
the elevated limestone ridge resting on its sides (Plate 78). From this 
makes out a flat covered with negro-heads, all of volcanic origin, and of 
rocks similar to those of the high hill, while on each side the flats are 
covered with negro-heads composed of elevated limestone; on both 
grow very flourishing coral patches, and both are steep to, the reef flat, 
passing rapidly into deep water, plainly showing that the corals have 
had no share in shaping either of these slopes, the one composed of vol- 
canic rocks, the other of elevated coralliferous limestone.’ The island is 
1 Throughout Fiji we found along the cliffs and sea face of limestone islands 
masses of the red earth so characteristic of the denuded limestones of the Bahamas 
and Bermudas, as at Kambara, Ngillangillah, Yangasd, Oneata, Ongea, and other 
islands. 
