Plate 106. 



1 . Aitutaki seen from the northeast, looking over the barrier reef. 



2. Terraces on the west shore of Nine, north of Avatele. 



3. Bare, pitted and honeycombed terraces on the soutliwest point of Nine. 



1, 2, W. McM. W. ; 3, A. G. M, Phot. 



