Plate 53. 



1. Part of the eastern shore flanked by low undercut elevated coralliferous limestone ledges 



and horses, separated by short coral sand beaches. 



2. A more northerly part of the east face land rim, covered with small islands, separated 



by high gaps, with shingle beaches flanked by recent and old ledge boulders. 



3. Submerged north face land rim with a prominent islet, looking across the shallow lagoon 



flat lo the land rim of the opposite face. 



1-3, A. G. M., Phot. 



