Plate 69. 



1. The northwestei'n and northern encircling reef line, as seen from the ridge of the central 



crest of Manga Reva near the tunnel leading to Kirimiro, west face of Manga Eeva. 

 The extreme land is Point Teaua-ua, the northwestern point of IManga Reva Island. 



2. A part of the same encircling reef line as fig. 1, seen from a somewhat higher point of 



the central ridge. 



