Plate 34. 



NIAU. 



1. Outcrop of old ledge in the central part of the laud rim of the island. 



2. Outcrops of old ledge on the reef flat platform of the west face of the island. 



3. Low undercut elevated coralliferous limestone lihiffs on the south shore of tlie island. 



1-3, W. McM. W., Pilot. 



